Menstruation occurs in response to
A)an LH surge.
B)diminished plasma levels of estrogen and progesterone.
C)elevated plasma levels of hCG.
D)elevation of plasma levels of FSH and LH.

Question

Quizplus · Accepted Answer

Menstruation occurs due to the shedding of the endometrial lining of the uterus when plasma levels of estrogen and progesterone decrease after a menstrual cycle. This leads to the release of prostaglandins that cause the uterus to contract and expel the lining.

Menstruation Occurs in Response to