Expulsion of fetus and afterbirth during normal delivery. The afterbirth consists of the placenta, t

A. Fetus positioned for child-birth; its head is against the mother’s cervix, which is dilating (widening).
B. Muscle contractions stimulated by oxytocin force the fetus out through the vagina.
C.  The placenta detaches from the wall of the uterus and is expelled.


A Fetus posi- tioned for child- birth; its head is against the mother’s cervix, which is dilating (widening). B Muscle contrac- tions stimulated by oxytocin force the fetus out through the vagina. C The placenta detaches from the wall of the uterus and is expelled. placenta wall of uterus umbilical cord ilating cervix placenta detaching from wall of uterus umbilical cord