What is Estrogen Dominance? The Proper Testing of Estrogen and Progesterone

“Estrogen Dominance” is a term coined by the late Dr. John Lee to describe the lack of progesterone available to balance estrogen. Estrogen dominance specifically refers to the blood levels of progesterone relative to estradiol (E2 estrogen). This is most accurately represented by testing in the middle of the luteal phase. There are multiple types …

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