Childbirth - Wikipedia, the free encyclopedia

Childbirth - Wikipedia, the free encyclopedia

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日期:2026-04-25
Childbirth, labour, delivery, birth, partus, or parturition is the culmination of a period of pregnancy with the expulsion of one or more newborn infants from a woman's uterus. The process of normal childbirth is categorized in three stages of labour: the...看更多