Ethinyl Estradiol, Also Sometimes Written As 17α-ethinyl Estradiol, Ethinylestradiol, Ethynyl Estradiol, Or Ethinyl œstradiol, Is A Derivative Of 17β-estradiol (E2), The Major Endogenous Estrogen In Humans. EE2 Is An Orally Bioactive Estro ...Read More

Estriol Is Only Produced In Significant Amounts During Pregnancy As It Is Made By The Placenta From 16-hydroxydehydroepiandrosterone Sulfate (16-OH DHEAS),an Androgen Steroid Made In The Fetal Liver And Adrenal Glands. The Human Placenta Produces ...Read More

Estradiol, Or More Precisely, 17β-estradiol, Is A Steroid And Estrogen Sex Hormone, And The Primary Female Sex Hormone. It Is Named For And Is Important In The Regulation Of The Estrous And Menstrual Female Reproductive Cycles. Estradiol Is Esse ...Read More