Question

defined progesterone

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Answer 1

Explanation:

female steroid sex hormone C21H30O2 that is secreted by the corpus luteum to prepare the endometrium for implantation and later by the placenta during pregnancy to prevent rejection of the developing embryo or fetus also : a synthetic steroid resembling progesterone in action.

Answer 2

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Progesterone is a female steroid sex hormone C21H30O2 that is secreted by the corpus luteum to prepare the endometrium for implantation and later by the placenta during pregnancy to prevent rejection of the developing embryo or fetus also : a synthetic steroid resembling progesterone in action.