During the menses,
A)progesterone levels are high.
B)a new uterine lining is formed.
C)secretory glands and blood vessels develop in the endometrium.
D)the old functional layer is sloughed off.
E)the corpus luteum is most active.

Question

Quizplus · Accepted Answer

During menses, the old functional layer of the endometrium is sloughed off due to the decrease in estrogen and progesterone levels, leading to the shedding of the lining along with blood and tissue from the uterus.

During the Menses