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The uterus (from Latin uterus, pl.: uteri or uteruses) or womb (/ w uː m /) is the organ in the reproductive system of most female mammals, including humans, that accommodates the embryonic and fetal development of one or more fertilized eggs until birth. [1]
The female reproductive tract is made of several connected internal sex organs—the vagina, uterus, and fallopian tubes—and is prone to infections. [1] The vagina allows for sexual intercourse, and is connected to the uterus at the cervix. The uterus (or womb) accommodates the embryo by developing the uterine lining.
During labor, the uterine muscles contract, and the cervix dilates typically over a period of hours, allowing the infant to pass from the uterus through the vagina. [1] Human infants are entirely dependent on their caregivers and require parental care. Infants rely on their caregivers for comfort, cleanliness, and food.
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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. [ 136 ] Childbirth-related post-traumatic stress disorder is a psychological disorder that can develop in women who have recently given birth.
The zygote then becomes implanted in the lining of the uterus, where it begins the processes of embryogenesis and morphogenesis. When the fetus is developed enough to survive outside of the uterus , the cervix dilates and contractions of the uterus propel it through the birth canal, which is the vagina , and thereby gives external life to the ...