The proliferative phase of the uterine cycle continues until rising ________ levels mark the arrival of the secretory phase.
A) GnRH
B) FSH
C) LH
D) estrogen
E) progesterone

Question

Quizplus · Accepted Answer

The proliferative phase of the uterine cycle continues until rising progesterone levels, which mark the arrival of the secretory phase. Progesterone levels increase following ovulation, preparing the endometrium for potential implantation of a fertilized egg.

The Proliferative Phase of the Uterine Cycle Continues Until Rising