Answer
(e) oxytocin
Work Step by Step
A strong stimulant of uterine contraction, Oxycontin is released in significantly higher amounts during childbirth (oxy = rapid; tocia = childbirth) and in nursing women. The number of oxytocin receptors in the uterus peaks near the end of pregnancy, and uterine smooth muscle becomes more and more sensitive to the hormone’s stimulatory effects.