The Principal Hormone of the Secretory Phase is ________

Question

The principal hormone of the secretory phase is ________.
A) estrogen
B) progesterone
C) FSH
D) LH
E) None of the answers are correct.

Accepted Answer

During the secretory phase, the corpus luteum in the ovary secretes progesterone, which prepares the uterus for implantation of a fertilized egg. Therefore, the principal hormone of the secretory phase is progesterone.