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Human Reproduction
Question
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Which of the following statements is correct regarding menstrual cycle?

  • LH induces rupturing of Graafian follicle

  • Proliferative phase is characterised by the increased production of progesterone

  • Corpus luteum secretes large amount of estrogen

  • Both LH and FSH attain a peak level in secretory phase

Answer

A.

LH induces rupturing of Graafian follicle

During follicular phase (proliferative phase), follicle stimulating hormone (FSH) secreted by anterior lobe of the pituitary gland stimulates the ovarian follicle to secrete estrogens. Corpus luteum secretes large amount ofprogesterone in secretory phase. Both LH and FSH attain a peak level in the ovulatory phase.

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