In the uterine cycle, the proliferative phase is promoted by , whereas the secretory phase is promoted by _ .
A)progesterone : estrogen
B)FSH : LH
C)estrogen : progesterone
D)LH : FSH
E)progesterone : progesterone

Question

Quizplus · Accepted Answer

The proliferative phase of the uterine cycle is promoted by estrogen, which stimulates the rebuilding of the uterine lining. The secretory phase is promoted by progesterone, which prepares the endometrium for potential implantation of an embryo.

In the Uterine Cycle, the Proliferative Phase Is Promoted by