Human Fertility Drugs Taken by Women Increase the Chance of Multiple

Question

Human fertility drugs taken by women increase the chance of multiple births, probably because they
A) enhance implantation opportunities.
B) stimulate the development of many ovarian follicles.
C) mimic progesterone action in the uterus.
D) stimulate steroidogenesis.
E) delay parturition.

Accepted Answer

Human fertility drugs stimulate the development of many ovarian follicles, which increases the likelihood of multiple eggs being released and fertilized during ovulation. This is a common cause of multiple births with fertility treatment.