試題詳解

15. Which option accurately describes a hormonal event during the luteal phase of the ovarian cycle?
(A) Estrogen is secreted by the pituitary gland.
(B) LH triggers the development of the corpus luteum.
(C) Progesterone levels decrease, leading to menstruation.
(D) FSH (follicle-stimulating hormone) peaks, promoting ovulation.
(E) GnRH (gonadotropin-releasing hormone) stimulates the release of progesterone.