VS.

Estriol vs. Estradiol

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Estriolnoun

A relatively weak natural estrogenic hormone that is a glycol C18H24O3 found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women.

Estradiolnoun

A natural estrogenic hormone that is a phenolic alcohol estra-1,3,5-triene-3,17-diol (C18H24O2) secreted chiefly by the ovaries of all vertebrates, that is a major and the most potent of the naturally occurring estrogens; the semisynthetic esterified compound is used medicinally to treat estrogen deficiency and breast cancer.

Estriolnoun

a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency

Estradiolnoun

the most powerful female hormone that occurs naturally; synthesized and used to treat estrogen deficiency and breast cancer

Estriol

Estriol (E3), also spelled oestriol, is a steroid, a weak estrogen, and a minor female sex hormone. It is one of three major endogenous estrogens, the others being estradiol and estrone.

Estradiol

Estradiol (E2), also spelled oestradiol, is an estrogen steroid hormone and the major female sex hormone. It is involved in the regulation of the estrous and menstrual female reproductive cycles.

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