Progesterone is a hormone involved in regulating the menstrual cycle, pregnancy, and fetal development. It's produced by the adrenal gland. It's one of two hormones, combined with estrogen, that makes up the contraceptive pill.
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Progesterone is a hormone involved in regulating the menstrual cycle, pregnancy, and fetal development. It's produced by the adrenal gland. It's one of two hormones, combined with estrogen, that makes up the contraceptive pill.