Estradiol by Saliva

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Estradiol (E2) is primarily produced in the ovaries under stimulation of FSH and LH in pre-menopausal women and in the testicles in men. E2 is converted from E1 in post-menopausal women. It is the most potent estrogen and the one that is present in the highest concentration in non-pregnant, pre-menopausal women. E2 levels vary depending on a woman's age and reproductive status. They are a good marker of ovarian function.

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