Active Ingredient History

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Estetrol (E4), or oestetrol, is one of the four natural estrogenic steroid hormones found in humans, along with estrone (E1), estradiol (E2), and estriol (E3), estetrol is a major estrogen in the body. In contrast to estrone and estradiol, estetrol is a native estrogen of fetal life. Estetrol is produced exclusively by the fetal liver and is found in dectable levels only during pregnancy, with relatively high levels in the fetus and lower levels in the maternal circulation.   Wikipedia

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Combination drugs

( estetrol, drospirenone (Yasmin) - other name: e4/drsp 15/3 mg combined tablet )
estetrol

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