After ovulation the ruptured follicle becomes the corpus luteum, which mainly secretes
Correct answer: A. progesterone
- A. progesterone
- B. FSH
- C. LH
- D. oxytocin
Explanation
Progesterone from the corpus luteum maintains the thickened endometrium and inhibits FSH and LH so that no further follicle ripens. FSH and LH are pituitary hormones acting on the ovary rather than products of it, which is the trap here. If no implantation occurs the corpus luteum degenerates after about ten days and progesterone falls, which brings on menstruation.
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About Menstrual Cycle
The menstrual cycle covers the coordinated changes in the ovaries and uterus, including menstruation, follicular growth, ovulation and corpus luteum formation. It links follicle-stimulating hormone, luteinizing hormone, oestrogen and progesterone with endometrial changes, and distinguishes the ovarian cycle from the uterine cycle and the hormonal events of pregnancy.
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