Childbirth, or labour and delivery, marks the end of pregnancy when one or more fetuses leave the uterus, usually via vaginal birth or caesarean section. Vaginal birth typically proceeds through three stages: gradual shortening and opening of the cervix, descent and birth of the baby, and expulsion of the placenta. A “fourth stage” covers the postpartum weeks as the mother recovers and the newborn adapts to life outside the womb. Early skin‑to‑skin contact and breastfeeding are now strongly encouraged worldwide.
Labour pain arises from powerful uterine contractions and stretching of tissues, but its intensity and meaning are shaped by culture, expectations, and emotional support. Pain relief ranges from breathing techniques, water immersion, and continuous support by midwives or doulas, to nitrous oxide, opioids, and epidural or spinal anaesthesia. When labour stalls or danger arises, clinicians may induce or augment contractions, assist delivery with forceps or vacuum, or perform a caesarean section. C‑sections are lifesaving in many complications but have risen far beyond medically necessary levels in some countries.
Complications such as obstructed labour, postpartum haemorrhage, infection, eclampsia, and psychological disorders can seriously harm or kill mothers, while newborns are threatened by prematurity, lack of oxygen, infection, and trauma. Despite dramatic global declines in maternal deaths since 1990, hundreds of thousands of women and about 2 million stillborn babies are lost each year, especially in low‑resource settings. The article also traces the historical shift from home to hospital birth, the rise and controversy of pain medication, evolving roles of midwives and physicians, and persistent inequalities—exemplified by the United States’ unusually high maternal and infant mortality among rich nations.