Biology · Reproductive Health
Progestin-estradiol combined contraceptive pills inhibit ovulation primarily by:
- 1Both A and C
- 2Inhibiting the secretion of FSH and LH from the pituitary gland that are necessary for ovulation✓
- 3Preventing the uterine physiological and morphological changes required for implantation
- 4Exerting negative feedback on the release of estrogen from the ovary required for follicular development
Correct answer
Inhibiting the secretion of FSH and LH from the pituitary gland that are necessary for ovulation
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