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  1. haidut

    Male Fertility Requires Progesterone And Antagonism Of A PUFA Metabolite

    Ray has written many times on progesterone's role in both female and male health. This study discovered that sperm actually has a progesterone "receptor" on its tail, and it is the activation of this "receptor" by progesterone that allows sperm to make the final push into the egg and perform the...
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