Biology
Biology, 25.07.2019 22:10, typicalemi4634

Hormone secretion is often regulated through a negative feedback mechanism, which means that once a hormone is secreted it will cause the hypothalamus and pituitary to shut down the production of signals necessary to secrete the hormone in the first place. most oral contraceptives are made of small doses of estrogen and/or progesterone. why would this be an effective means of contraception?

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