When labor begins, the fetal pituitary gland secretes ________, which may be the actual trigger for the onset of labor.
A) prolactin
B) hCG
C) oxytocin
D) growth hormone
E) thyroxine

Question

Quizplus · Accepted Answer

Oxytocin is the hormone secreted by the fetal pituitary gland that stimulates uterine contractions and may be the actual trigger for the onset of labor. Prolactin, hCG, growth hormone, and thyroxine do not play a role in initiating labor.

When Labor Begins, the Fetal Pituitary Gland Secretes ________, Which