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estriol


es·tri·ol

noun \ˈes-ˌtrī-ˌl, e-ˈstrī-, -ˌōl\

Definition of ESTRIOL

: 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

Origin of ESTRIOL

estrane + tri- + 1-ol
First Known Use: 1933

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