During which phase of the uterine cycle is the secretion of progesterone not at a significant level?
A) menstrual phase
B) proliferative phase
C) secretory, or progestational, phase
D) both (a) and (b) above.
E) both (b) and (c) above.

Question

Quizplus · Accepted Answer

Progesterone levels are low during the menstrual and proliferative phases, as it is primarily secreted during the secretory phase.

During Which Phase of the Uterine Cycle Is the Secretion