Childbirth is induced by hormones and other chemical signals. Estrogen makes the uterus
Chapter 27, Problem 27.17(choose chapter or problem)
Childbirth is induced by hormones and other chemical signals. Estrogen makes the uterus more sensitive to oxytocin, which acts with prostaglandins to initiate labor. The cervix dilates, the baby is expelled by strong muscular contractions, and the placenta follows.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer