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What role does pituitary gonadotropins play during follicular , ovulatory phases of menstrual cycle?

What role does pituitary gonadotropins play during follicular , ovulatory phases of menstrual cycle? Explain the shifts in secretions.

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a. FSH of anterior pituitary brings about the growth of ovarian follicle. The maturing ovarian follicle produces estrogen.
b. Estrogen stimulates LH secretion along with FSH from anterior pituitary.
c. LH surge causes ovulation.
d. The empty follicle is converted into corpus luteum by LH hormone.
e. Corpus luteum secretes steroidal hormones progesterone and estrogen for growth and maintenance of uterine endometrium for possible implantation.
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