The Secretory Phase of the Uterine Cycle

Question

The secretory phase of the uterine cycle
A) is the endometrial response to progesterone.
B) immediately follows the menstrual phase.
C) refers to the hormonal response of the endometrium to the corpus albicans.
D) refers to the adenohypophyseal response to declining plasma levels of estrogen and progesterone.

Accepted Answer

The secretory phase is the second phase of the uterine cycle and occurs after ovulation. During this phase, the endometrium responds to progesterone released by the corpus luteum and becomes thicker and more vascularized in preparation for the potential implantation of a fertilized egg.