Drug-induced abortions most commonly are effective by
A) inhibiting the activity of progesterone.
B) inhibiting the activity of estrogens.
C) stimulating a large release of testosterone.
D) stimulating a large release of LH and FSH.
E) inhibiting the activity of estrogens, LH, FSH, and progesterone.

Question

Quizplus · Accepted Answer

Drug-induced abortions are most commonly effective by inhibiting the activity of progesterone. Progesterone is the hormone that prepares the uterus for implantation of a fertilized egg and maintains the pregnancy. By inhibiting its activity, the lining of the uterus breaks down, causing a miscarriage or abortion.

Drug-Induced Abortions Most Commonly Are Effective by