Progesterone levels are highest during which phases of the ovarian and uterine cycles, respectively?
A) follicular; menstrual
B) luteal; secretory
C) luteal; menstrual
D) follicular; proliferative
E) luteal; proliferative

Question

Quizplus · Accepted Answer

Progesterone levels are highest during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. This is because after ovulation, the corpus luteum forms and secretes progesterone, which prepares the endometrium for potential implantation of an embryo.

Progesterone Levels Are Highest During Which Phases of the Ovarian