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Pronunciation: es'tre-ol

Definition: An estrogenic metabolite of estradiol, usually the predominant estrogenic metabolite found in urine (especially during pregnancy); epimers at C-16, C-17, or both, are known as 16-epiestriol, 16,17-epiestriol, and 17-epiestriol.

Synonym(s): folliculin hydrate, oestriol, trihydroxyestrin

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.