Which of the following statements about estrogen is not true?
A)In low plasma concentration, estrogen inhibits pituitary secretion of LH and FSH
B)In high plasma concentration, estrogen stimulates pituitary sensitivity to GnRH
C)In the presence of high plasma concentration of progesterone, estrogen stimulates increased secretion of GnRH
D)Estrogen secretion is required for the LH surge
E)Estrogen stimulates follicular growth

Question

Quizplus · Accepted Answer

In the presence of high plasma concentration of progesterone, estrogen actually inhibits the secretion of GnRH. This negative feedback loop helps to regulate the menstrual cycle.

Which of the Following Statements About Estrogen Is Not True