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2.Human Reproduction
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What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle ? Explain the shifts in steroidal secretions.
Option A
Option B
Option C
Option D
Solution
The secretion of gonadotropins ($LH$ and $FSH$) increases gradually during the follicular phase and stimulates follicular development as well as secretion of estrogens by the growing follicles.
In the middle of cycle (about $14^{\text {th }}$ day) both $LH$ and $FSH$ attain a peak level.
Standard 12
Biology
