Childbirth

Childbirth
Childbirth
Other names	Labour and delivery, partus, giving birth, parturition, birth, confinement
	Mother and newborn baby shown with vernix caseosa covering
Specialty	Obstetrics, midwifery
Complications	Obstructed labour, postpartum bleeding, eclampsia, postpartum infection, birth asphyxia, neonatal hypothermia
Types	Vaginal delivery, C-section
Causes	Pregnancy
Prevention	Birth control, elective abortion
Frequency	135 million (2015)
Deaths	500,000 maternal deaths a year

Childbirth, also known as labour, parturition and delivery, is the completion of pregnancy where one or more babies exits the internal environment of the mother via vaginal delivery or caesarean section.^[7] In 2019, there were about 140.11 million human births globally.^[9] In the developed countries, most deliveries occur in hospitals,^[10]^[11] while in the developing countries most are home births.^[12]

The most common childbirth method worldwide is vaginal delivery.^[6] It involves four stages of labour: the shortening and opening of the cervix during the first stage, descent and birth of the baby during the second, the delivery of the placenta during the third, and the recovery of the mother and infant during the fourth stage, which is referred to as the postpartum. The first stage is characterised by abdominal cramping or also back pain in the case of back labour,^[13] that typically lasts half a minute and occurs every 10 to 30 minutes.^[14] Contractions gradually become stronger and closer together.^[15] Since the pain of childbirth correlates with contractions, the pain becomes more frequent and strong as the labour progresses. The second stage ends when the infant is fully expelled. The third stage is the delivery of the placenta.^[16] The fourth stage of labour involves the recovery of the mother, delayed clamping of the umbilical cord, and monitoring of the neonate.^[17] As of 2014,^[update] all major health organisations advise that immediately following a live birth, regardless of the delivery method, that the infant be placed on the mother's chest (termed skin-to-skin contact), and to delay neonate procedures for at least one to two hours or until the baby has had its first breastfeeding.^[18]^[19]^[20]

Vaginal delivery is generally recommended as a first option. Cesarean section can lead to increased risk of complications and a significantly slower recovery. There are also many natural benefits of a vaginal delivery in both mother and baby. Various methods may help with pain, such as relaxation techniques, opioids, and spinal blocks.^[15] It is best practice to limit the amount of interventions that occur during labour and delivery such as an elective cesarean section, however in some cases a scheduled cesarean section must be planned for a successful delivery and recovery of the mother. An emergency cesarean section may be recommended if unexpected complications occur or little to no progression through the birthing canal is observed in a vaginal delivery. Each year, complications from pregnancy and childbirth result in about 500,000 birthing deaths, seven million women have serious long-term problems, and 50 million women giving birth have negative health outcomes following delivery, most of which occur in the developing world.^[5] Complications in the mother include obstructed labour, postpartum bleeding, eclampsia, and postpartum infection.^[5] Complications in the baby include lack of oxygen at birth (birth asphyxia), birth trauma, and prematurity.^[4]^[21]

Signs and symptoms

The most prominent sign of labour is strong repetitive uterine contractions. Pain in contractions has been described as feeling similar to very strong menstrual cramps. Crowning may be experienced as an intense stretching and burning. The Lamaze method of childbirth teaches that making noises such as moaning, groaning, grunting, repeating words over and over, and any sound that one's body may wish to naturally make may help to relieve pain and help labour to progress. According to Lamaze, "While the media would have you believe that all birthing women scream, in reality, it's not the most common noise." They say that screaming may be a sign that the labouring woman is beginning to panic and the support team should help her back to regulated breathing.^[22]

Back labour is a complication that occurs during childbirth when a fetus exhibits posterior presentation (i.e. when the fetus is facing the mother’s navel), instead of the typical anterior presentation.^[23] This leads to more intense contractions, and causes pain in the lower back that persists between contractions as the fetus’ occiput exerts pressure on the mother’s sacrum.^[24]

Another prominent sign of labour is the rupture of membranes, commonly known as "water breaking". During pregnancy, a baby is surrounded and cushioned by a fluid-filled sac. Usually the sac ruptures at the beginning of or during labour. It may cause a gush of fluid or leak in an intermittent or constant flow of small amounts from a woman's vagina. The fluid is clear or pale yellow. If the amniotic sac has not yet broken during labour the health care provider may break it in a technique called an amniotomy. In an amniotomy a thin plastic hook is used to make a small opening in the sac, causing the water to break.^[25] If the sac breaks before labour starts, it's called a prelabour rupture of membranes. Contractions will typically start within 24 hours after the water breaks. If not, the care provider will generally begin labour induction within 24 to 48 hours. If the baby is preterm (less than 37 weeks of pregnancy), the healthcare provider may use a medication to delay delivery.^[26]

Labour pain

There is currently no definitive scientific explanation for why labour is painful. According to studies, during pregnancy, the myometrium (the muscle part of the uterus) is greatly denervated.^[27] Stretch receptors in the uterus disappear during pregnancy, and stretch receptors in the cervix disappear at the onset of labour.^[28] Consequently, the reason for labour pain has only been theorised, not ascertained. One theory is that the pain results from the buildup of chemicals released during physical exertion. The second leading theory is that the pain results from the vasoconstriction of uterine blood vessels in the myometrium; each contraction squeezes the blood vessels, reducing blood flow and causing some hypoxia.

Psychological

During the later stages of gestation, there is an increase in abundance of oxytocin, a hormone that is known to evoke feelings of contentment, reductions in anxiety, and feelings of calmness and security around the mate.^[29] Oxytocin is further released during labour when the fetus stimulates the cervix and vagina, and it is believed that it plays a major role in the bonding of a mother to her infant and in the establishment of maternal behaviour. Studies show that the father of the child also has an increase in oxytocin levels following contact with the infant and parents with higher oxytocin levels showed more responsiveness and synchrony in their interactions with their infant. The act of nursing a child also causes a release of oxytocin to help the baby get milk more easily from the nipple.^[30]^[31]

Vaginal birth

Station refers to the relationship of the fetal presenting part to the level of the ischial spines. When the presenting part is at the ischial spines the station is 0 (synonymous with engagement). If the presenting fetal part is above the spines, the distance is measured and described as minus stations, which range from −1 to −4 cm. If the presenting part is below the ischial spines, the distance is stated as plus stations ( +1 to +4 cm). At +3 and +4 the presenting part is at the perineum and can be seen.^[32]

The fetal head may temporarily change shape (becoming more elongated or cone shaped) as it moves through the birth canal. This change in the shape of the fetal head is called molding and is much more prominent in women having their first vaginal delivery.^[33]

Cervical ripening is the physical and chemical changes in the cervix to prepare it for the stretching that will take place as the fetus moves out of the uterus and into the birth canal. A scoring system called a Bishop score can be used to judge the degree of cervical ripening to predict the timing of labour and delivery of the infant or for women at risk for preterm labour. It is also used to judge when a woman will respond to induction of labour for a postdate pregnancy or other medical reasons. There are several methods of inducing cervical ripening which will allow the uterine contractions to effectively dilate the cervix.^[34]

Vaginal delivery involves four stages of labour: the shortening and opening of the cervix during the first stage, descent and birth of the baby during the second, the delivery of the placenta during the third, and the 4th stage of recovery which lasts until two hours after the delivery. The first stage is characterised by abdominal cramping or back pain that typically lasts around half a minute and occurs every 10 to 30 minutes.^[14] The contractions (and pain) gradually becomes stronger and closer together.^[15] The second stage ends when the infant is fully expelled. In the third stage, the delivery of the placenta.^[16] The fourth stage of labour involves recovery, the uterus beginning to contract to pre-pregnancy state, delayed clamping of the umbilical cord, and monitoring of the neonatal tone and vitals.^[17] As of 2014,^[update] all major health organisations advise that immediately following a live birth, regardless of the delivery method, that the infant be placed on the mother's chest, termed skin-to-skin contact, and delaying routine procedures for at least one to two hours or until the baby has had its first breastfeeding.^[18]^[19]^[20]

Onset of labour

Definitions of the onset of labour include:

Regular uterine contractions at least every six minutes with evidence of change in cervical dilation or cervical effacement between consecutive digital examinations.^[35]
Regular contractions occurring less than 10 minutes apart and progressive cervical dilation or cervical effacement.^[36]
At least three painful regular uterine contractions during a 10-minute period, each lasting more than 45 seconds.^[37]

Many women are known to experience what has been termed the "nesting instinct". Women report a spurt of energy shortly before going into labour.^[38] Common signs that labour is about to begin may include what is known as lightening, which is the process of the baby moving down from the rib cage with the head of the baby engaging deep in the pelvis. The pregnant woman may then find breathing easier, since her lungs have more room for expansion, but pressure on her bladder may cause more frequent need to void (urinate). Lightening may occur a few weeks or a few hours before labour begins, or even not until labour has begun.^[38] Some women also experience an increase in vaginal discharge several days before labour begins when the "mucus plug", a thick plug of mucus that blocks the opening to the uterus, is pushed out into the vagina. The mucus plug may become dislodged days before labour begins or not until the start of labour.^[38]

While inside the uterus the baby is enclosed in a fluid-filled membrane called the amniotic sac. Shortly before, at the beginning of, or during labour the sac ruptures. Once the sac ruptures, termed "the water breaks", the baby is at risk for infection and the mother's medical team will assess the need to induce labour if it has not started within the time they believe to be safe for the infant.^[38]

Stages of labour

First stage

The first stage of labour is divided into latent and active phases, where the latent phase is sometimes included in the definition of labour,^[39] and sometimes not.^[40]

The latent phase is generally defined as beginning at the point at which the woman perceives regular uterine contractions.^[41] In contrast, Braxton Hicks contractions, which are contractions that may start around 26 weeks gestation and are sometimes called "false labour", are infrequent, irregular, and involve only mild cramping.^[42] Braxton Hicks contractions are the uterine muscles preparing to deliver the infant.

Cervical effacement, which is the thinning and stretching of the cervix, and cervical dilation occur during the closing weeks of pregnancy. Effacement is usually complete or near-complete and dilation is about 5 cm by the end of the latent phase.^[43] The degree of cervical effacement and dilation may be felt during a vaginal examination.

The active phase of labour has geographically differing definitions. The World Health Organization describes the active first stage as "a period of time characterised by regular painful uterine contractions, a substantial degree of cervical effacement and more rapid cervical dilatation from 5 cm until full dilatation for first and subsequent labours”.^[44] In the US, the definition of active labour was changed from 3 to 4 cm, to 5 cm of cervical dilation for multiparous women, mothers who had given birth previously, and at 6 cm for nulliparous women, those who had not given birth before.^[45] This was done in an effort to increase the rates of vaginal delivery.^[46]

Health care providers may assess the mother's progress in labour by performing a cervical exam to evaluate the cervical dilation, effacement, and station. These factors form the Bishop score. The Bishop score can also be used as a means to predict the success of an induction of labour.

During effacement, the cervix becomes incorporated into the lower segment of the uterus. During a contraction, uterine muscles contract causing shortening of the upper segment and drawing upwards of the lower segment, in a gradual expulsive motion.^[47] The presenting fetal part then is permitted to descend. Full dilation is reached when the cervix has widened enough to allow passage of the baby's head, around 10 cm dilation for a term baby.

A standard duration of the latent first stage has not been established and can vary widely from one woman to another. However, the duration of active first stage (from 5 cm until full cervical dilatation) usually does not extend beyond 12 hours in the first labour("primiparae"), and usually does not extend beyond 10 hours in subsequent labours ("multiparae").^[48]

Dystocia of labour, also called "dysfunctional labour" or "failure to progress", is difficult labour or abnormally slow progress of labour, involving progressive cervical dilatation or lack of descent of the fetus. Friedman's Curve, developed in 1955, was for many years used to determine labour dystocia. However, more recent medical research suggests that the Friedman curve may not be currently^[when?] applicable.^[49]^[50]

Second stage: fetal expulsion

The expulsion stage begins when the cervix is fully dilated, and ends when the baby is born. As pressure on the cervix increases, a sensation of pelvic pressure is experienced, and, with it, an urge to begin pushing. At the beginning of the normal second stage, the head is fully engaged in the pelvis; the widest diameter of the head has passed below the level of the pelvic inlet. The fetal head then continues descent into the pelvis, below the pubic arch and out through the vaginal opening. This is assisted by the additional maternal efforts of pushing, or bearing down, similar to defecation. The appearance of the fetal head at the vaginal opening is termed crowning. At this point, the mother will feel an intense burning or stinging sensation.

When the amniotic sac has not ruptured during labour or pushing, the infant can be born with the membranes intact. This is referred to as "delivery en caul".

Complete expulsion of the baby signals the successful completion of the second stage of labour. Some babies, especially preterm infants, are born covered with a waxy or cheese-like white substance called vernix. It is thought to have some protective roles during fetal development and for a few hours after birth.

The second stage varies from one woman to another. In first labours, birth is usually completed within three hours whereas in subsequent labours, birth is usually completed within two hours.^[51] Second-stage labours longer than three hours are associated with declining rates of spontaneous vaginal delivery and increasing rates of infection, perineal tears, and obstetric haemorrhage, as well as the need for intensive care of the neonate.^[52]

Third stage: placental expulsion

The period from just after the fetus is expelled until just after the placenta is expelled is called the third stage of labour or the involution stage. Placental expulsion begins as a physiological separation from the wall of the uterus. The average time from delivery of the baby until complete expulsion of the placenta is estimated to be 10–12 minutes dependent on whether active or expectant management is employed.^[53] In as many as 3% of all vaginal deliveries, the duration of the third stage is longer than 30 minutes and raises concern for retained placenta.^[54]

Placental expulsion can be managed actively or it can be managed expectantly, allowing the placenta to be expelled without medical assistance. Active management is the administration of a uterotonic drug within one minute of fetal delivery, controlled traction of the umbilical cord and fundal massage after delivery of the placenta, followed by performance of uterine massage every 15 minutes for two hours.^[55] In a joint statement, World Health Organization, the International Federation of Gynaecology and Obstetrics and the International Confederation of Midwives recommend active management of the third stage of labour in all vaginal deliveries to help to prevent postpartum haemorrhage.^[56]^[57]^[58]

Delaying the clamping of the umbilical cord for at least one minute or until it ceases to pulsate, which may take several minutes, improves outcomes as long as there is the ability to treat jaundice if it occurs. For many years it was believed that late cord cutting led to a mother's risk of experiencing significant bleeding after giving birth, called postpartum bleeding. However a recent review found that delayed cord cutting in healthy full-term infants resulted in early haemoglobin concentration and higher birthweight and increased iron reserves up to six months after birth with no change in the rate of postpartum bleeding.^[59]^[60]

Fourth stage: postpartum

The fourth stage of labour is the period beginning immediately after childbirth, and extends for about six weeks. The terms postpartum and postnatal are often used for this period.^[61] The woman's body, including hormone levels and uterus size, return to a non-pregnant state and the newborn adjusts to life outside the mother's body. The World Health Organization (WHO) describes the postnatal period as the most critical and yet the most neglected phase in the lives of mothers and babies; most deaths occur during the postnatal period.^[62]

Following the birth, if the mother had an episiotomy or a tearing of the perineum, it is stitched. This is also an optimal time for uptake of long-acting reversible contraception (LARC), such as the contraceptive implant or intrauterine device (IUD), both of which can be inserted immediately after delivery while the woman is still in the delivery room.^[63]^[64] The mother has regular assessments for uterine contraction and fundal height,^[65] vaginal bleeding, heart rate and blood pressure, and temperature, for the first 24 hours after birth. Some women may experience an uncontrolled episode of shivering or postpartum chills following the birth. The first passing of urine should be documented within six hours.^[62] Afterpains (pains similar to menstrual cramps), contractions of the uterus to prevent excessive blood flow, continue for several days. Vaginal discharge, termed "lochia", can be expected to continue for several weeks; initially bright red, it gradually becomes pink, changing to brown, and finally to yellow or white.^[66]

At one time babies born in hospitals were removed from their mothers shortly after birth and brought to the mother only at feeding times.^[67] Mothers were told that their newborns would be safer in the nursery and that the separation would offer the mothers more time to rest. As attitudes began to change, some hospitals offered a "rooming in" option wherein after a period of routine hospital procedures and observation, the infant could be allowed to share the mother's room. As of 2020, rooming-in has increasingly become standard practice in maternity wards.^[68]

Early skin-to-skin contact

Skin-to-skin contact (SSC), sometimes also called kangaroo care, is a technique of newborn care where babies are kept chest-to-chest and skin-to-skin with a parent, typically their mother or possibly the father. This means without the shirt or undergarments on the chest of both the baby and parent. A 2011 medical review found that early skin-to-skin contact resulted in a decrease in infant crying, improved cardio-respiratory stability and blood glucose levels, and improved breastfeeding duration.^[69]^[70] A 2016 Cochrane review also found that SSC at birth promotes the likelihood and effectiveness of breastfeeding.^[71]

As of 2014, early postpartum SSC is endorsed by all major organisations that are responsible for the well-being of infants, including the American Academy of Pediatrics.^[18] The World Health Organization (WHO) states that "the process of childbirth is not finished until the baby has safely transferred from placental to mammary nutrition." It is advised that the newborn be placed skin-to-skin with the mother following vaginal birth, or as soon as the mother is alert and responsive after a Caesarean section, postponing any routine procedures for at least one to two hours. The baby's father or other support person may also choose to hold the baby SSC until the mother recovers from the anaesthetic.^[72]

The WHO suggests that any initial observations of the infant can be done while the infant remains close to the mother, saying that even a brief separation before the baby has had its first feed can disturb the bonding process. They further advise frequent skin-to-skin contact as much as possible during the first days after delivery, especially if it were interrupted for some reason after the delivery.^[19]^[20]

La Leche League advises women to have a delivery team which includes a support person who will advocate to assure that:

The mother and her baby are not separated unnecessarily
The baby will receive only her milk
The baby will receive no supplementation without a medical reason
All testing, bathing or other procedures are done in the parent's room^[73]

It has long been known that a mother's level of the hormone oxytocin elevates in a mother when she interacts with her infant. In 2019, a large review of the effects of oxytocin found that the oxytocin level in fathers that engage in SSC is increased as well. Two studies found that "when the infant is clothed only in a diaper and placed in between the mother or father's breasts, chest-to-chest [elevated paternal oxytocin levels were] shown to reduce stress and anxiety in parents after interaction."^[74]

Discharge

For births that occur in hospitals the WHO recommends a hospital stay of at least 24 hours following an uncomplicated vaginal delivery and 96 hours for a Cesarean section. Looking at length of stay (in 2016) for an uncomplicated delivery around the world shows an average of less than 1 day in Egypt to 6 days in (pre-war) Ukraine. Averages for Australia are 2.8 days and 1.5 days in the UK.^[75] While this number is low, two-thirds of women in the UK have midwife-assisted births and in some cases the mother may choose a hospital setting for birth to be closer to the wide range of assistance available for an emergency situation. However, women with midwife care may leave the hospital shortly after birth and her midwife will continue her care at her home.^[76] In the U.S. the average length of stay has gradually dropped from 4.1 days in 1970 to a current stay of 2 days. The CDC attributed the drop to the rise in health care costs, saying people could not afford to stay in the hospital any longer. To keep it from dropping any lower, in 1996 congress passed the Newborns' and Mothers' Health Protection Act that requires insurers to cover at least 48 hours for uncomplicated delivery.^[75]

Labour induction and caesarean section

In many cases and with increasing frequency, childbirth is achieved through labour induction or caesarean section, also called a C-section. Labour induction is the process or treatment that stimulates childbirth and delivery. Inducing labour can be accomplished with pharmaceutical or non-pharmaceutical methods. Inductions are most often performed either with prostaglandin drug treatment alone, or with a combination of prostaglandin and intravenous oxytocin treatment.^[77] Caesarean section is the removal of the neonate through a surgical incision in the abdomen, rather than through vaginal birth. During the procedure the patient is usually numbed with an epidural or a spinal block, but general anaesthesia can be used as well. A cut is made in the patient's abdomen and then in the uterus to remove the baby.^[78] Before the 1970s, once a patient delivered one baby via C-section, it was recommended that all of her future babies be delivered by C-section, but that recommendation has changed. Unless there is some other indication, mothers can attempt a trial of labour and most are able to have a vaginal birth after C-section (VBAC).^[79] Induced births and elective cesarean before 39 weeks can be harmful to the neonate as well as harmful or without benefit to the mother. Therefore, many guidelines recommend against non-medically required induced births and elective cesarean before 39 weeks.^[80]

Labour induction

The 2012 rate of labour induction in the United States was 23.3%, and had more than doubled from 1990 to 2010.^[81]^[82] By 2022 it had climbed to 32%.^[83] The American Congress of Obstetricians and Gynecologists (ACOG) guidelines recommend a full evaluation of the maternal-fetal status, the status of the cervix, and at least a 39 completed weeks (full term) of gestation for optimal health of the newborn when considering elective induction of labour. Per these guidelines, indications for induction may include:

Abruptio placentae
Chorioamnionitis
Fetal compromise such as isoimmunisation leading to haemolytic disease of the newborn or oligohydramnios
Fetal demise
Gestational hypertension
Maternal conditions such as gestational diabetes or chronic kidney disease
Preeclampsia or eclampsia
Premature rupture of membranes
Post-term pregnancy

Induction is also considered for logistical reasons, such as the distance from hospital or psychosocial conditions, but in these instances gestational age confirmation must be done, and the maturity of the fetal lung must be confirmed by testing. The ACOG also note that contraindications for induced labour are the same as for spontaneous vaginal delivery, including vasa previa, complete placenta praevia, umbilical cord prolapse or active genital herpes simplex infection, in which cases a cesarean section is the safest delivery method.^[84]

Cesarean section

The WHO recommends a C-section rate of between 10 and 15% because C-sections rates higher than 10% are not associated with a decrease in morbidity and mortality.^[85] In 2018, a group of medical professionals called the rates of increase around the world "alarming". In a Lancet report, C-sections were found to have more than tripled from about 6% of all births to 21%. In a statement by the maternal and child health organisation, the March of Dimes, the increase is largely due to an increase of elective C-sections rather than when it is really necessary or indicated.^[86]

Looking at the C-section rates between 1976 and 1996, one large study done in the U.S. found that the proportion of pregnancies delivered by C section increased from 6.7% in 1976 to 14.2% in 1996, with maternal choice the most frequent reason given.^[87] By 2018 the rate had climbed to one-third of all births.^[88]

Management

Obstetric care frequently subjects women to institutional routines, which may have adverse effects on the progress of labour. Supportive care during labour may involve emotional support, comfort measures, and information and advocacy which may promote the physical process of labour as well as women's feelings of control and competence, thus reducing the need for obstetric intervention. The continuous support may be provided either by hospital staff such as nurses or midwives, doulas, or by companions of the woman's choice from her social network. There is increasing evidence to show that the participation of the child's father in the birth leads to a better birth and also post-birth outcomes, providing the father does not exhibit excessive anxiety.^[90]

Continuous labour support may help women to give birth spontaneously, that is, without caesarean or vacuum or forceps, with slightly shorter labours, and to have more positive feelings regarding their experience of giving birth. Continuous labour support may also reduce women's use of pain medication during labour and reduce the risk of babies having low five-minute Apgar scores.^[91]

Preparation

Eating or drinking during labour is an area of ongoing debate. While some have argued that eating in labour has no harmful effects on outcomes,^[92] others continue to have concern regarding the increased possibility of an aspiration event (choking on recently eaten foods) in the event of an emergency delivery due to the increased relaxation of the oesophagus in pregnancy, upward pressure of the uterus on the stomach, and the possibility of general anaesthetic in the event of an emergency cesarean.^[93] A 2013 Cochrane review found that with good obstetrical anaesthesia there is no change in harms from allowing eating and drinking during labour in those who are unlikely to need surgery. They additionally acknowledge that not eating does not mean there is an empty stomach or that its contents are not as acidic. They therefore conclude that "women should be free to eat and drink in labour, or not, as they wish."^[94]

At one time shaving of the area around the vagina, was common practice due to the belief that hair removal reduced the risk of infection, made an episiotomy (a surgical cut to enlarge the vaginal entrance) easier, and helped with instrumental deliveries. It is currently less common, though it is still a routine procedure in some countries even though a systematic review found no evidence to recommend shaving.^[95] Side effects appear later, including irritation, redness, and multiple superficial scratches from the razor. Another effort to prevent infection has been the use of the antiseptic chlorhexidine or providone-iodine solution in the vagina. Evidence of benefit with chlorhexidine is lacking.^[96] A decreased risk is found with providone-iodine when a cesarean section is to be performed.^[97]

Forceps or vacuum assisted delivery

An assisted delivery is used in about 1 in 8 births, and may be needed if either mother or infant appears to be at risk during a vaginal delivery. The methods used are termed obstetrical forceps extraction and vacuum extraction, also called ventouse extraction. Done properly, they are both safe with some preference for forceps rather than vacuum, and both are seen as preferable to an unexpected C-section. While considered safe, some risks for the mother include vaginal tearing, including a higher chance of having a more major vaginal tear that involves the muscle or wall of the anus or rectum. For women undergoing operative vaginal delivery with vacuum extraction or forceps, there is strong evidence that prophylactic antibiotics help to reduce the risk of infection.^[98] There is a higher risk of blood clots forming in the legs or pelvis – anti-clot stockings or medication may be ordered to avoid clots. Urinary incontinence is not unusual after childbirth but it is more common after an instrument delivery. Certain exercises and physiotherapy will help the condition to improve.^[99]

Pain control

Non-pharmaceutical

Some women prefer to avoid analgesic medication during childbirth. Psychological preparation may be beneficial. Relaxation techniques, immersion in water, massage, and acupuncture may provide pain relief. Acupuncture and relaxation were found to decrease the number of caesarean sections required.^[100] Immersion in water has been found to relieve pain during the first stage of labour, reduce the need for anaesthesia, and shorten the duration of labour.^[101] Additionally, water birth is associated with a decreased risk of postpartum hemorrhaging, low Apgar scores, neonatal infections, requirement for neonatal resuscitation, and neonatal admission to intensive care. However, there is a higher chance of cord avulsion.^[102]

Most women like to have someone to support them during labour and birth; such as a midwife, nurse, or doula; or a lay person such as the father of the baby, a family member, or a close friend. Studies have found that continuous support during labour and delivery reduce the need for medication and a caesarean or operative vaginal delivery, and result in an improved Apgar score for the infant.^[103]^[104]

Pharmaceutical

Different measures for pain control have varying degrees of success and side effects to the woman and her baby. In some countries of Europe, doctors commonly prescribe inhaled nitrous oxide gas for pain control, especially as 53% nitrous oxide, 47% oxygen, known as Entonox; in the UK, midwives may use this gas without a doctor's prescription.^[105] Opioids such as fentanyl may be used, but if given too close to birth there is a risk of respiratory depression in the infant.^{[needs update]}^[106]

Popular medical pain control in hospitals include the regional anaesthetics epidurals (EDA), and spinal anaesthesia. Epidural analgesia is a generally safe and effective method of relieving pain in labour, but has been associated with longer labour, more operative intervention (particularly instrument delivery), and increases in cost.^[107] However, a more recent (2017) Cochrane review suggests that the new epidural techniques have no effect on labour time and the use of instruments or the need for C-section deliveries.^[108] Generally, pain and stress hormones rise throughout labour for women without epidurals, while pain, fear, and stress hormones decrease upon administration of epidural analgesia, but rise again later.^[109] Medicine administered via epidural can cross the placenta and enter the bloodstream of the fetus.^[110] Epidural analgesia has no statistically significant impact on the risk of caesarean section, and does not appear to have an immediate effect on neonatal status as determined by Apgar scores.^[108]

Augmentation

Augmentation is the process of stimulating the uterus to increase the intensity and duration of contractions after labour has begun. Several methods of augmentation are commonly been used to treat slow progress of labour (dystocia) when uterine contractions are assessed to be too weak. Oxytocin is the most common method used to increase the rate of vaginal delivery.^[111] The World Health Organization recommends its use either alone or with amniotomy (rupture of the amniotic membrane) but advises that it must be used only after it has been correctly confirmed that labour is not proceeding properly if harm is to be avoided. The WHO does not recommend the use of antispasmodic agents for prevention of delay in labour.^[112]

Episiotomy

For years an episiotomy was thought to help prevent more extensive vaginal tears and heal better than a natural tear. Perineal tears can occur at the vaginal opening as the baby's head passes through, especially if the baby descends quickly. Tears can involve the perineal skin or extend to the muscles and the anal sphincter and anus. Once common, they are now recognised as generally not needed.^[15] When needed, the midwife or obstetrician makes a surgical cut in the perineum to prevent severe tears that can be difficult to repair. A 2017 Cochrane review compared episiotomy as needed (restrictive) with routine episiotomy to determine the possible benefits and harms for mother and baby. The review found that restrictive episiotomy policies appeared to give a number of benefits compared with using routine episiotomy. Women experienced less severe perineal trauma, less posterior perineal trauma, less suturing and fewer healing complications at seven days with no difference in occurrence of pain, urinary incontinence, painful sex or severe vaginal/perineal trauma after birth.^[113]

Multiple births

In cases of a head first-presenting first twin, twins can often be delivered vaginally. In some cases twin delivery is done in a larger delivery room or in an operating theatre, in the event of complication e.g.

Both twins born vaginally – this can occur both presented head first or where one comes head first and the other is breech and/or helped by a forceps/ventouse delivery
One twin born vaginally and the other by caesarean section.
If the twins are joined at any part of the body – called conjoined twins, delivery is mostly by caesarean section.

Fetal monitoring

For external monitoring of the fetus during childbirth, a simple pinard stethoscope or doppler fetal monitor ("doptone") can be used. A method of external (noninvasive) fetal monitoring (EFM) during childbirth is cardiotocography (CTG), using a cardiotocograph that consists of two sensors: The heart (cardio) sensor is an ultrasonic sensor, similar to a Doppler fetal monitor, that continuously emits ultrasound and detects motion of the fetal heart by the characteristic of the reflected sound. The pressure-sensitive contraction transducer, called a tocodynamometer (toco) has a flat area that is fixated to the skin by a band around the belly. The pressure required to flatten a section of the wall correlates with the internal pressure, thereby providing an estimate of contraction.^[114] Monitoring with a cardiotocograph can either be intermittent or continuous.^[115] The World Health Organization (WHO) advises that for healthy women undergoing spontaneous labour continuous cardiotocography is not recommended for assessment of fetal well-being. The WHO states: "In countries and settings where continuous CTG is used defensively to protect against litigation, all stakeholders should be made aware that this practice is not evidence-based and does not improve birth outcomes."^[116]

A mother's water has to break before internal (invasive) monitoring can be used. More invasive monitoring can involve a fetal scalp electrode to give an additional measure of fetal heart activity, and/or intrauterine pressure catheter (IUPC). It can also involve fetal scalp pH testing.^{[medical citation needed]}

Complications

There was a 44% decline in the maternal death rate between 1990 and 2015. However, 830 women died every day in 2015 from causes related to pregnancy or childbirth and for every woman who dies, 20 or 30 encounter injuries, infections or disabilities. Most of these deaths and injuries are preventable.^[117]^[118]

Maternal mortality and adverse health consequences

In 2008, noting that each year more than 100,000 women die of complications of pregnancy and childbirth and at least seven million experience serious health problems while 50 million more have adverse health consequences after childbirth, the World Health Organization (WHO) has urged midwife training to strengthen maternal and newborn health services. To support the upgrading of midwifery skills the WHO established a midwife training programme, Action for Safe Motherhood.^[5]

The rising maternal death rate in the US is of concern. In 1990 the US ranked 12th of the 14 developed countries that were analysed. However, since that time the rates of every country have steadily continued to improve while the US rate has spiked dramatically. While every other developed nation of the 14 analysed in 1990 shows a 2017 death rate of less than 10 deaths per every 100,000 live births, the US rate has risen to 26.4. By comparison, the United Kingdom ranks second highest at 9.2 and Finland is the safest at 3.8.^[119]

In 2022, the WHO reported that the US had the highest maternal death rate of any developed nation while other nations continued to experience declines. The death rate of black women has also continued to climb with a 2020 CDC report showing the maternal death rate at 55.3 deaths per 100,000 live births – 2.9 times the rate for white women.^[120] In 2023, a study reported that deaths among Native American women were even higher, at 3.5 times the rate for White women. The report attributed the high rate in part to the fact that Native American women are cared for under a poorly funded Federal Health Care System that is so stretched that the average monthly visit lasts only from three to seven minutes. Such a short visit allows neither time for performing an adequate health assessment nor time for the patient to discuss any problems she may be experiencing.^[121]

Infant mortality

Compared to other developed nations, the United States also has high infant mortality rates. The Trust for America's Health reports that as of 2011, about one-third of American births have some complications; many are directly related to the mother's health including increasing rates of obesity, type 2 diabetes, and physical inactivity. The U.S. Centers for Disease Control and Prevention (CDC) has led an initiative to improve woman's health previous to conception in an effort to improve both neonatal and maternal death rates.^[122]

Looking at 168 countries around the world, a 2015 Save the Children's report found that each day about 8,000 newborns die during the first month of life. Worldwide, more than 1 million babies die during their first day even though simple measures such as antibiotics, hand-held breathing masks and other simple interventions could prevent the deaths of 70% of infants. The United States had the highest first-day infant death rate of all the industrialised nations in the world. In the US, each year about 11,300 newborns die within 24 hours of their birth, 50% more first-day deaths than all other industrialised countries combined.^[123]

Labour and delivery complications

Obstructed labour

The second stage of labour may be delayed or lengthy due to poor or uncoordinated uterine action, an abnormal uterine position such as breech or shoulder dystocia, and cephalopelvic disproportion (a small pelvis or large infant). Prolonged labour may result in maternal exhaustion, fetal distress, and other complications including obstetric fistula.^[124]

Eclampsia

Eclampsia is the onset of seizures (convulsions) in a woman with pre-eclampsia. Pre-eclampsia is a disorder of pregnancy in which there is high blood pressure and either large amounts of protein in the urine or other organ dysfunction. Pre-eclampsia is routinely screened for during prenatal care. Onset may be before, during, or rarely, after delivery. Around 1% of women with eclampsia die.^{[medical citation needed]}

Maternal complications

A puerperal disorder or postpartum disorder is a complication which presents primarily during the puerperium, or postpartum period. The postpartum period can be divided into three distinct stages; the initial or acute phase, six to 12 hours after childbirth; subacute postpartum period, which lasts two to six weeks, and the delayed postpartum period, which can last up to six months. In the subacute postpartum period, 87% to 94% of women report at least one health problem.^[125]^[126] Long-term health problems (persisting after the delayed postpartum period) are reported by 31% of women.^[127]

Postpartum bleeding

According to the WHO, haemorrhage is the leading cause of maternal death worldwide accounting for approximately 27.1% of maternal deaths.^[128] Within maternal deaths due to haemorrhage, two-thirds are caused by postpartum haemorrhage.^[128] The causes of postpartum haemorrhage can be separated into four main categories: Tone, Trauma, Tissue, and Thrombin. Tone represents uterine atony, the failure of the uterus to contract adequately following delivery. Trauma includes lacerations or uterine rupture. Tissue includes conditions that can lead to a retained placenta. Thrombin, which is a molecule used in the human body's blood clotting system, represents all coagulopathies.^[129]

Postpartum infections

Postpartum infections, also historically known as childbed fever and medically as puerperal fever, are any bacterial infections of the reproductive tract following childbirth or miscarriage. Signs and symptoms usually include a fever greater than 38.0 °C (100.4 °F), chills, lower abdominal pain, and possibly bad-smelling vaginal discharge. The infection usually occurs after the first 24 hours and within the first ten days following delivery. Infection remains a major cause of maternal deaths and morbidity in the developing world. The work of Ignaz Semmelweis was seminal in the pathophysiology and treatment of childbed fever and his work saved many lives.^[130]

Psychological complications

Childbirth can be an intense event and strong emotions, both positive and negative, can be brought to the surface. Abnormal and persistent fear of childbirth is known as tokophobia. The prevalence of fear of childbirth around the world ranges between 4–25%, with 3–7% of pregnant women having clinical fear of childbirth.^[131]^[132] Although pain may be seen as a self-evident and indisputable fact, in reality pain is only one sensation of childbirth. There are many other sensations such as bliss, joy and satisfaction which can be more powerful than pain. Previous studies have indicated that negative expectations can actually increase sensitivity to pain through the process of nocebo hyperalgesia. While positive expectations can reduce pain through placebo analgesia.^[133]

Most new mothers may experience mild feelings of unhappiness and worry after giving birth. Babies require a lot of care, so it is normal for mothers to be worried about, or tired from, providing that care. The feelings, often termed the "baby blues", affect up to 80% of mothers. They are somewhat mild, last a week or two, and usually go away on their own.^[134]

Postpartum depression is different from the "baby blues". With postpartum depression, feelings of sadness and anxiety can be extreme and might interfere with a woman's ability to care for herself or her family. Because of the severity of the symptoms, postpartum depression usually requires treatment. The condition, which occurs in nearly 15% of births, may begin shortly before or any time after childbirth, but commonly begins between a week and a month after delivery.^[134]

Childbirth-related post-traumatic stress disorder is a psychological disorder that can develop in women who have recently given birth.^[135]^[136]^[137] Causes include issues such as an emergency C-section, preterm labour, inadequate care during labour, lack of social support following childbirth, and others. Examples of symptoms include intrusive symptoms, flashbacks and nightmares, as well as symptoms of avoidance (including amnesia for the whole or parts of the event), problems in developing a mother-child attachment, and others similar to those commonly experienced in posttraumatic stress disorder (PTSD). Many women who are experiencing symptoms of PTSD after childbirth are misdiagnosed with postpartum depression or adjustment disorders. These diagnoses can lead to inadequate treatment.^[138]

Postpartum psychosis is a rare psychiatric emergency in which symptoms of high mood and racing thoughts (mania), depression, severe confusion, loss of inhibition, paranoia, hallucinations and delusions set in, beginning suddenly in the first two weeks after childbirth. The symptoms vary and can change quickly.^[139] It usually requires hospitalisation. The most severe symptoms last from two to 12 weeks, and recovery takes six months to a year.^[139]

Fetal complications

Five causes make up about 80% of newborn deaths globally: prematurity, low-birth-weight, infections, lack of oxygen at birth, and trauma during birth.^[21]

Stillbirth

Stillbirth is typically defined as fetal death at or after 20 to 28 weeks of pregnancy.^[140]^[141] It results in a baby born without signs of life.^[141]

Worldwide prevention of most stillbirths is possible with improved health systems.^[141]^[142] About half of stillbirths occur during childbirth, and stillbirth is more common in the developing than developed world.^[141] Otherwise depending on how far along the pregnancy is, medications may be used to start labour or a type of surgery known as dilation and evacuation may be carried out.^[143] Following a stillbirth, women are at higher risk of another one; however, most subsequent pregnancies do not have similar problems.^[144]

Worldwide in 2019 there were about 2 million stillbirths that occurred after 28 weeks of pregnancy, this equates to 1 in 72 total births or one every 16 seconds.^[145] Still births are more common in South Asia and Sub-Saharan Africa.^[141] Stillbirth rates have declined, though more slowly since the 2000s.^[146]

Preterm birth

Preterm birth is the birth of an infant at fewer than 37 weeks gestational age. Globally, about 15 million infants were born before 37 weeks of gestation.^[147] Premature birth is the leading cause of death in children under five years of age though many that survive experience disabilities including learning defects and visual and hearing problems. Causes for early birth may be unknown or may be related to certain chronic conditions such as diabetes, infections, and other known causes. The World Health Organization has developed guidelines with recommendations to improve the chances of survival and health outcomes for preterm infants.^[148]^[149]

If a pregnant woman enters preterm labour, delivery can be delayed by giving medications called tocolytics. Tocolytics delay labour by inhibiting contractions of the uterine muscles that progress labour. The most widely used tocolytics include beta agonists, calcium channel blockers, and magnesium sulfate. The goal of administering tocolytics is not to delay delivery to the point that the child can be delivered at term, but instead to postponing delivery long enough for the administration of glucocorticoids which can help the fetal lungs to mature enough to reduce morbidity and mortality from infant respiratory distress syndrome.^[149]

Post-term birth

The term postterm pregnancy is used to describe a condition in which a woman has not yet delivered her baby after 42 weeks of gestation, two weeks beyond the usual 40-week duration of pregnancy.^[150] Postmature births carry risks for both the mother and the baby, including meconium aspiration syndrome, fetal malnutrition, and stillbirths.^[151] The placenta, which supplies the baby with oxygen and nutrients, begins to age and will eventually fail after the 42nd week of gestation. Induced labour is indicated for postterm pregnancy.^[152]^[153]^[154]

Neonatal infection

Newborns are prone to infection in the first month of life. The pathogenic bacterium Streptococcus agalactiae (a group B streptococcus) is most often the cause of these occasionally fatal infections. The baby contracts the infection from the mother during labour. In 2014 it was estimated that about one in 2000 newborn babies had a group B streptococcuss infection within the first week of life, usually evident as respiratory disease, general sepsis, or meningitis.^[156]

Untreated sexually transmitted infections (STIs) are associated with birth defects, and infections in newborn babies, particularly in the areas where rates of infection remain high. The majority of STIs have no symptoms or only mild symptoms that may not be recognised. Mortality rates resulting from some infections may be high, for example the overall perinatal mortality rate associated with untreated syphilis is 30%.^[157]

Perinatal asphyxia

Perinatal asphyxia is the medical condition resulting from deprivation of oxygen to a newborn infant that lasts long enough during the birth process to cause physical harm.^[158] Hypoxic damage can also occur to most of the infant's organs (heart, lungs, liver, gut, kidneys), but brain damage is of most concern and perhaps the least likely to quickly or completely heal.^[158] Oxygen deprivation can lead to permanent disabilities in the child, such as cerebral palsy.^[159]

Mechanical fetal injury

Risk factors for fetal birth injury include fetal macrosomia (big baby), maternal obesity, the need for instrumental delivery, and an inexperienced attendant. Specific situations that can contribute to birth injury include breech presentation and shoulder dystocia. Most fetal birth injuries resolve without long term harm, but brachial plexus injury may lead to Erb's palsy or Klumpke's paralysis.^[160]

History

Role of males

Historically, women have been attended and supported by other women during labour and birth. Midwife training in European cities began in the 1400s, but rural women were usually assisted by female family or friends.^[161] However, it was not simply a ladies' social bonding event as some historians have portrayed – fear and pain often filled the atmosphere, as death during childbirth was a common occurrence.^[162] In the United States before the 1950s, a father would not be in the birthing room. It did not matter if it was a home birth; the father would be waiting downstairs or in another room in the home. If it was in a hospital, then the father would wait in the waiting room.^[163] Fathers were only permitted in the room if the life of the mother or baby was severely at-risk. In 1522, a German physician was sentenced to death for sneaking into a delivery room dressed as a woman.^[161]

The majority of guidebooks related to pregnancy and childbirth were written by men who had never been involved in the birthing process.^{[according to whom?]} A Greek physician, Soranus of Ephesus, wrote a book about obstetrics and gynaecology in the second century, which was referenced for the next thousand years. The book contained endless home remedies for pregnancy and childbirth, many of which would be considered heinous by modern women and medical professionals.^[161]

Both preterm and full term infants benefit from skin to skin contact, sometimes called kangaroo care, immediately following birth and for the first few weeks of life. Some fathers have begun to hold their newborns skin to skin; the new baby is familiar with the father's voice and it is believed that contact with the father helps the infant to stabilise and promotes father to infant bonding. Looking at recent studies, a 2019 review found that the level of oxytocin was found to increase not only in mothers who had experienced early skin to skin attachment with their infants but in the fathers as well, suggesting a neurobiological connection.^[74] If the infant's mother had a caesarean birth, the father can hold their baby in skin-to-skin contact while the mother recovers from the anaesthetic.^[72]

Hospitals

Historically, most women gave birth at home without emergency medical care available. In the early days of hospitalisation for childbirth, a 17th-century maternity ward in Paris was incredibly congested, with up to five pregnant women sharing one bed. At this hospital, one in five women died during the birthing process.^[161] At the onset of the Industrial Revolution, giving birth at home became more difficult due to congested living spaces and dirty living conditions. That drove urban and lower-class women to newly available hospitals, while wealthy and middle-class women continued to labour at home.^[164] Consequently, wealthier women experienced lower maternal mortality rates than those of a lower social class.^[165] Throughout the 1900s, there was an increasing availability of hospitals, and more women began going into the hospital for labour and delivery.^[166] In the United States, 5% of women gave birth in hospitals in 1900. By 1930, 50% of all women and 75% of urban-dwelling women delivered in hospitals.^[161] By 1960, this number increased to 96%.^[162] By the 1970s, home birth rates fell to approximately 1%.^[167] In the United States, the middle classes were especially receptive to the medicalisation of childbirth, which promised a safer and less painful labour.^[166]

Accompanied by the shift from home to hospital was the shift from midwife to physician. Male physicians began to replace female midwives in Europe and the United States in the 1700s. The rise in status and popularity of this new position was accompanied by a drop in status for midwives. By the 1800s, affluent families were primarily calling male doctors to assist with their deliveries, and female midwives were seen as a resource for women who could not afford better care. That completely removed women from assisting in labour, as only men were eligible to become doctors at the time. Additionally, it privatised the birthing process as family members and friends were often banned from the delivery room.^{[citation needed]}

There was opposition to the change from both progressive feminists and religious conservatives. The feminists were concerned about job security for a role that had traditionally been held by women. The conservatives argued that it was immoral for a woman to be exposed in such a way in front of a man. For that reason, many male obstetricians performed deliveries in dark rooms or with their patient fully covered with a drape.^{[citation needed]}

Baby Friendly Hospitals

In 1991 the WHO launched a global programme, the Baby Friendly Hospital Initiative (BFHI), that encourages birthing centres and hospitals to institute procedures that encourage mother/baby bonding and breastfeeding. The Johns Hopkins Hospital describes the process of receiving the Baby Friendly designation:

It involves changing long-standing policies, protocols and behaviors. The Baby-Friendly Hospital Initiative includes a very rigorous credentialing process that includes a two-day site visit, where assessors evaluate policies, community partnerships and education plans, as well as interview patients, physicians and staff members.^[168]

Every major health organisation, such as the CDC, supports the BFHI. As of 2019, 28% of hospitals in the US have been accredited by the WHO.^[168]^[169]

Medication

The use of pain medication in labour has been a controversial issue for hundreds of years. A Scottish woman was burned at the stake in 1591 for requesting pain relief in the delivery of twins. Medication became more acceptable in 1852, when Queen Victoria used chloroform as pain relief during labour. The use of morphine and scopolamine, also known as "twilight sleep", was first used in Germany and popularised by German physicians Bernard Kronig and Karl Gauss. This concoction offered minor pain relief but mostly allowed women to completely forget the entire delivery process. Under twilight sleep, mothers were often blindfolded and restrained as they experienced the immense pain of childbirth. The cocktail came with severe side effects, such as decreased uterine contractions and altered mental state. Additionally, babies delivered with the use of childbirth drugs often experienced temporarily-ceased breathing. The feminist movement in the United States openly and actively supported the use of twilight sleep, which was introduced to the country in 1914. Some physicians, many of whom had been using painkillers for the past fifty years, including opium, cocaine, and quinine, embraced the new drug. Others were hesitant.^[161]

Caesarean sections

There are many conflicting stories of the first successful cesarean section (or C-section) in which both mother and baby survived. It is, however, known that the procedure had been attempted for hundreds of years before it became accepted in the beginning of the twentieth century.^[161] While forceps have gone through periods of high popularity, today they are only used in approximately 10% of deliveries. The c-section has become the more popular solution for difficult deliveries. In 2005, one-third of babies were born via C-section. Historically, surgical delivery was a last-resort method of extracting a baby from its deceased or dying mother but today caesarean delivery on maternal request is a medically unnecessary caesarean section, where the infant is born by a caesarean section requested by the parent even though there is not a medical indication to have the surgery.^[170]

Natural childbirth

The reemergence of "natural childbirth" began in Europe and was adopted by some in the US as early as the late 1940s. Early supporters believed that the drugs used during deliveries interfered with "happy childbirth" and could negatively impact the newborn's "emotional wellbeing". By the 1970s, the call for natural childbirth was spread nationwide, in conjunction with the second-wave of the feminist movement.^[161] While it is still most common for American women to deliver in the hospital, supporters of natural birth still widely exist, especially in the UK where midwife-assisted home births have gained popularity.^[167]

Epidemiology

The United Nations Population Fund estimated that 303,000 women died of pregnancy or childbirth related causes in 2015.^[171] These causes range from severe bleeding to obstructed labour,^[172] for which there are highly effective interventions. As women have gained access to family planning and skilled birth attendants with backup emergency obstetric care, the global maternal mortality ratio has fallen from 385 maternal deaths per 100,000 live births in 1990 to 216 deaths per 100,000 live births in 2015, and it was reported in 2017 that many countries had halved their maternal death rates in the last 10 years.^[171]

Outcomes for mothers in childbirth were especially poor before antibiotics were discovered in the 1930s, because of high rates of puerperal fever.^[165] Until germ theory was accepted in the mid-1800s, it was assumed that puerperal fever was caused by a variety of sources, including the leakage of breast milk into the body and anxiety. Later, it was discovered that puerperal fever was transmitted by the dirty hands and tools of doctors.^[161]

Home births facilitated by trained midwives produced the best outcomes from 1880 to 1930 in the US and Europe, whereas physician-facilitated hospital births produced the worst. The change in trend of maternal mortality can be attributed with the widespread use of antibiotics along with the progression of medical technology, more extensive physician training, and less medical interference with normal deliveries.^[165]

Since the US began recording childbirth statistics in 1915, the US has had historically poor maternal mortality rates in comparison to other developed countries. Britain started recording maternal mortality data from 1880 onward.

Society and culture

Distress levels vary widely during pregnancy as well as during labour and delivery. They appear to be influenced by fear and anxiety levels, experience with prior childbirth, cultural ideas of childbirth pain, mobility during labour, and the support received during labour.^[173]^[174]

Personal expectations, the amount of support from caregivers, quality of the caregiver-patient relationship, and involvement in decision-making are more important in the mother's overall satisfaction with the birthing experience than are other factors such as age, socioeconomic status, ethnicity, preparation, physical environment, pain, immobility, or medical interventions.^[175]

Costs

According to a 2013 analysis commissioned by The New York Times and performed by Truven Healthcare Analytics, the cost of childbirth varies dramatically by country. In the United States the average amount actually paid by insurance companies or other payers in 2012 averaged $9,775 for an uncomplicated conventional delivery and $15,041 for a caesarean birth.^[176] A 2013 study found varying costs by facility for childbirth expenses in California, varying from $3,296 to $37,227 for a vaginal birth and from $8,312 to $70,908 for a caesarean birth.^[177]

Reporting on costs in 2023, Forbes gave an average cost of $18,865 ($14,768 for vaginal and $26,280 for cesarean) which included pregnancy, delivery and postpartum care. However, many factors determined the costs, including where the woman lived, the type of birth, and whether or not they had insurance. Even with insurance, average out of the pocket expenses for a vaginal delivery were $2,655 and $3,214 for a cesarean birth. Variables which determined charges included length of hospital stay, which averaged 48 hours for vaginal birth and 96 hours for a cesarean. There could be charges for any complications before or after the birth, for example an induced labour costs more than a spontaneous birth. Babies that had a difficult birth may need special tests and monitoring, adding to the costs of childbirth.^[178]

Beginning in 2014, the National Institute for Health and Care Excellence began recommending that many women give birth at home under the care of a midwife rather than an obstetrician, citing lower expenses and better healthcare outcomes.^[179]^[180] The median cost associated with home birth was estimated to be about $1,500 vs. about $2,500 in hospital.^[181]

Location

Childbirth routinely occurs in hospitals in many developed countries. Before the 20th century and in some countries to the present day, such as the Netherlands, it has more typically occurred at home.^[182]

In rural and remote communities of many countries, hospitalised childbirth may not be readily available or the best option. Maternal evacuation is the predominant risk management method for assisting mothers in these communities.^[183] Maternal evacuation is the process of relocating pregnant women in remote communities to deliver their babies in a nearby urban hospital setting.^[183] This practice is common in Indigenous Inuit and Northern Manitoban communities in Canada as well as Australian aboriginal communities. There has been research considering the negative effects of maternal evacuation due to a lack of social support provided to these women. These negative effects include an increase in maternal newborn complications and postpartum depression, and decreased breastfeeding rates.^[183]

The exact location in which childbirth takes place is an important factor in determining nationality, in particular for birth aboard aircraft and ships.

Facilities

Facilities for childbirth include:

A maternity ward, also called maternity unit, labour ward or delivery ward, is generally a hospital department that provides health care to women and their children during childbirth. It is generally closely linked to the hospital's neonatal intensive care unit and/or obstetric surgery unit if present. It usually includes facilities both for childbirth and for postpartum rest and observation of mothers in normal as well as complicated cases.
A maternity hospital is a hospital that specialises in caring for women while they are pregnant and during childbirth and provide care for newborn babies,
A birthing centre is a midwife-led unit that generally presents a more home-like environment. Birthing centres may be located on hospital grounds or "free standing" (that is, not affiliated with a hospital).
A home birth is usually accomplished with the assistance of a midwife. Some women choose to give birth at home without any professionals present, termed an unassisted childbirth.

Associated occupations

Model of pelvis used in the beginning of the 19th century to teach technical procedures for a successful childbirth. Museum of the History of Medicine, Porto Alegre, Brazil

Different categories of birth attendants may provide support and care during pregnancy and childbirth, although there are important differences across categories based on professional training and skills, practice regulations, and the nature of care delivered. Many of these occupations are highly professionalised, but other roles exist on a less formal basis.

"Childbirth educators" are instructors who aim to teach pregnant women and their partners about the nature of pregnancy, labour signs and stages, techniques for giving birth, breastfeeding and newborn baby care. Training for this role can be found in hospital settings or through independent certifying organisations. Each organisation teaches its own curriculum and each emphasises different techniques. The Lamaze technique is one well-known example.

Doulas are assistants who support mothers during pregnancy, labour, birth, and postpartum. They are not medical attendants; rather, they provide emotional support and non-medical pain relief for women during labour. Like childbirth educators and other unlicensed assistive personnel, certification to become a doula is not compulsory, thus, anyone can call themself a doula or a childbirth educator.^{[citation needed]}

Confinement nannies are individuals who are employed to provide assistance and stay with the mothers at their home after childbirth. They are usually experienced mothers who took courses on how to take care of mothers and newborn babies.^{[citation needed]}

Midwives are autonomous practitioners who provide basic and emergency health care before, during and after pregnancy and childbirth, generally to women with low-risk pregnancies. Midwives are trained to assist during labour and birth, either through direct-entry or nurse-midwifery education programmes. Jurisdictions where midwifery is a regulated profession will typically have a registering and disciplinary body for quality control, such as the American Midwifery Certification Board in the United States,^[184] the College of Midwives of British Columbia in Canada^[185]^[186] or the Nursing and Midwifery Council in the United Kingdom.^[187]^[188]

In the past, midwifery played a crucial role in childbirth throughout most indigenous societies. Although western civilisations attempted to assimilate their birthing technologies into certain indigenous societies, like Turtle Island, and get rid of the midwifery, the National Aboriginal Council of Midwives brought back the cultural ideas and midwifery that were once associated with indigenous birthing.^[189]

In jurisdictions where midwifery is not a regulated profession, traditional birth attendants, also known as traditional or lay midwives, may assist women during childbirth, although they do not typically receive formal health care education and training.

Medical doctors who practise in the field of childbirth include categorically specialised obstetricians, family practitioners and general practitioners whose training, skills and practices include obstetrics, and in some contexts general surgeons. These physicians and surgeons variously provide care across the whole spectrum of normal and abnormal births and pathological labour conditions. Categorically specialised obstetricians are qualified surgeons, so they can undertake surgical procedures relating to childbirth. Some family practitioners or general practitioners also perform obstetrical surgery. Obstetrical procedures include cesarean sections, episiotomies, and assisted delivery. Categorical specialists in obstetrics are commonly trained in both obstetrics and gynaecology (OB/GYN), and may provide other medical and surgical gynaecological care, and may incorporate more general, well-woman, primary care elements in their practices. Maternal–fetal medicine specialists are obstetrician/gynecologists subspecialised in managing and treating high-risk pregnancy and delivery.

Anaesthetists or anaesthetists are medical doctors who specialise in pain relief and the use of drugs to facilitate surgery and other painful procedures. They may contribute to the care of a woman in labour by performing an epidural or by providing anaesthesia (often spinal anaesthesia) for Cesarean section or forceps delivery. They are experts in pain management during childbirth.

Obstetric nurses assist midwives, doctors, women, and babies before, during, and after the birth process, in the hospital system. They hold various nursing certifications and typically undergo additional obstetric training in addition to standard nursing training.

Paramedics are healthcare providers that are able to provide emergency care to both the mother and infant during and after delivery using a wide range of medications and tools on an ambulance. They are capable of delivering babies but can do very little for infants that become "stuck" and are unable to be delivered vaginally.

Lactation consultants assist the mother and newborn to breastfeed successfully. A health visitor comes to see the mother and baby at home, usually within 24 hours of discharge, and checks the infant's adaptation to extrauterine life and the mother's postpartum physiological changes.

Non-western communities

Cultural values, assumptions, and practices of pregnancy and childbirth vary across cultures. For example, some Maya women who work in agricultural fields of some rural communities will usually continue to work in a similar function to how they normally would throughout pregnancy, in some cases working until labour begins.^[190]

Comfort and proximity to extended family and social support systems may be a childbirth priority of many communities in developing countries, such as the Chillihuani in Peru and the Mayan town of San Pedro La Laguna.^[190]^[191] Home births can help women in these cultures feel more comfortable as they are in their own home with their family around them helping out in different ways.^[190] Traditionally, it has been rare in these cultures for the mother to lie down during childbirth, opting instead for standing, kneeling, or walking around prior to and during birthing.^[191]^[190]

Some communities rely heavily on religion for their birthing practices. It is believed that if certain acts are carried out, then it will allow the child for a healthier and happier future. One example of this is the belief in the Chillihuani that if a knife or scissors are used for cutting the umbilical cord, it will cause for the child to go through clothes very quickly. To prevent this, a jagged ceramic tile is used to cut the umbilical cord.^[191] In Mayan societies, ceremonial gifts are presented to the mother throughout pregnancy and childbirth to help her into the beginning of her child's life.^[190]

Ceremonies and customs can vary greatly between countries. See;

Collecting stem cells

It is currently possible to collect two types of stem cells during childbirth: amniotic stem cells and umbilical cord blood stem cells.^[192] They are being studied as possible treatments of a number of conditions.^[192]

Placentophagy

Some animal mothers are known to eat their afterbirth, called placentophagy. In some cultures the placenta may be consumed as a nutritional boost, but it may also be seen as a special part of birth and eaten by the newborn's family ceremonially.^[193] In the developed world the placenta may be eaten believing that it reduces postpartum bleeding, increases milk supply, provides micronutrients such as iron, and improves mood and boosts energy. The CDC advises against this practice, saying it has not been shown to promote health but has been shown to possibly transmit disease organisms that were passed from the placenta into the mother's breastmilk and then infecting the baby.^[194]

References

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^ "Confinement – meaning in the Cambridge English Dictionary". Cambridge Dictionary.
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v t e Development of the human body
Before birth	Development Zygote Embryo Fetus Gestational age
Birth and after	Birth Child development Stages Early Puberty Adult development Ageing Senescence Death
Phases	Early years Infant Toddler Early childhood Childhood Child Youth Preadolescence Adolescence Emerging adulthood Adulthood Young adult Middle adult Elder adult Dying
Social and legal	Minor Age of majority

v t e Sexual and reproductive health
Rights	Reproductive Justice Compulsory sterilization Contraceptive security Abortion-rights movements Genital integrity Circumcision controversy Intersex human rights
Education	Sex education Genetic counseling Pre-conception counseling
Planning	Childfreeness/childlessness Birth spacing Parenting adoption foster care Sperm theft
Contraception	Hormonal contraception Male contraception Safe sex Condom Intrauterine device Sterilization
Assisted reproduction	In vitro fertilization ICSI Gamete Cryopreservation Egg Sperm Sperm bank fertility fraud
Health	Men's Women's vulvovaginal Research self-report sexual risk behaviors
Pregnancy	Maternal health Obstetrics Unintended pregnancy childbirth Abortion Options counseling Pregnancy from rape Pregnant patients' rights Prenatal care Teenage pregnancy Precocious puberty and pregnancy
Identity	Gender identity Sexual orientation Intersex Transgender Genital modification
Medicine	Andrology Genitourinary medicine Gynaecology Obstetrics and gynaecology Reproductive endocrinology and infertility Sexual medicine Transgender health care
Disorders	Disorders of sex development Infertility Reproductive system disease Sexual dysfunction Sexually transmitted infections clinic Gender dysphoria
By country	China India Iran Ireland Pakistan Philippines Singapore United Kingdom teen United States teen pregnancy birth control
History	Birth control movement in the United States History of condoms Social hygiene movement Timeline of reproductive rights legislation
Policy	One-child policy Two-child policy Financial baby bonus bachelor tax child benefit tax on childlessness Abortion law

v t e Infants and their care
Health (Pediatrics)	Baby food Birth weight Breast pump Breastfeeding Breastfeeding and medications Breastfeeding and mental health Bottle feeding Colic Cradle cap Esotropia Failure to thrive Immunization Infant and toddler safety Infant bathing Infant feeding Infant food safety Infant formula Infant massage Infant respiratory distress syndrome Infant sleep training Neonatal intensive care unit Newborn care and safety Oral rehydration therapy Pedialyte Preterm birth Shaken baby syndrome Soy formula SIDS
Development	Attachment parenting Baby-led weaning Baby talk Babbling Birth defect Childbirth Crawling Gestational age Infant visual development Irritant diaper dermatitis Infant cognitive development Infant crying Kangaroo care Mother Nursery rhyme Object permanence Parent Parenting Peekaboo Play Prenatal development Prenatal development table Teething Walking Weaning
Socialization and Culture	Attachment Babysitting Child abuse Child care Child custody Children's rights UN Child rights Circumcision Foster care Grandparent visitation Infant swimming Milk bank Nanny Wet nurse
Infant care and equipment	Baby bouncer Baby gate Baby monitor/Hidden camera Baby powder Baby shampoo Baby toy Baby walker Bib Baby swing Baby transport Bassinet Car seat safety Cloth diaper Cradle board Diaper Diaper bag Baby wipes Haberman Feeder High chair Infant bed (American 'crib' and 'cradle', British 'cot') Infant carrier Infant clothing Pacifier Playpen Stroller Supplemental nursing system Swaddling Swim diaper Teether Travel cot
Other topics	Baby shower Babywearing Child neglect Closed adoption Cry room Infant ear piercing Open adoption Prenatal cocaine exposure Neonatal withdrawal syndrome Parental child abduction Parental responsibility Parenting plan Paternity Paternity fraud

Authority control databases
National	Spain France BnF data Germany Israel 2 United States 2 Japan Czech Republic
Other	NARA