Normally, menstruation occurs when
A) blood levels of estrogen increase and progesterone levels decrease rapidly.
B) blood levels of estrogen and progesterone increase rapidly.
C) blood levels of FSH decrease rapidly.
D) the corpus luteum secretes estrogen.
E) blood levels of both female hormones decrease rapidly.

Question

Quizplus · Accepted Answer

Normally, menstruation occurs when the levels of estrogen and progesterone decrease rapidly. This hormonal change signals the body to shed the lining of the uterus, leading to menstruation.

Normally, Menstruation Occurs When