After birth, which hormone causes the uterus to "shrink" and also causes the mother's breast tissue to contract forcing milk into the ducts?
A)estrogen
B)prolactin
C)progesterone
D)oxytocin
E)hCG

Question

After birth, which hormone causes the uterus to "shrink" and also causes the mother's breast tissue to contract forcing milk into the ducts? ​
A)estrogen
B)prolactin
C)progesterone
D)oxytocin
E)hCG

Quizplus · Accepted Answer

Oxytocin is released during breastfeeding, causing the smooth muscle of the uterus to contract, which helps it to return to its pre-pregnancy size. oxytocin also stimulates the contraction of cells surrounding the milk-producing cells, which pushes the milk through the ducts and out of the nipple.

After Birth, Which Hormone Causes the Uterus to "Shrink" and Also