Childbirth - Wikipedia, the free encyclopedia


** Childbirth **

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This article is about birth in humans. For birth in other mammals, see

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*Childbirth*, *labour*, *delivery*, *birth*, *partus*, or *parturition* is
the culmination of a pregnancy period 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 shortening and dilation of the
cervix, descent and birth of the infant, and birth of the placenta.^[1]

In many cases and with increasing frequency, childbirth is achieved through
induction of labor or caesarean section, which is the removal of the
neonate through a surgical incision in the abdomen, rather than through
vaginal birth.^[2] Childbirth by C-Sections increased 50% in the U.S. from
1996 to 2006, and comprise nearly 32% of births in the U.S. and
Canada.^[3]^[4] With respect to induced labor, more than 22% of women
undergo induction of labour in the United States.^[3] Medical professional
policy makers find that induced births and elective cesarean can be harmful
to the fetus and neonate as well as harmful or without benefit to the
mother, and have established strict guidelines for non-medically indicated
induced births and elective cesarean before 39 weeks.^[5]


· 1 Signs and symptoms

· 1.1 Descriptions
· 1.2 Psychological

· 2 Normal human birth

· 2.1 Vaginal birth
· 2.2 Latent phase
· 2.3


how are babies born

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