Estriol - WikipediaEstriol (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. Levels of estriol in women who are not pregnant are almost undetectableEstriol - an overview | ScienceDirect TopicsEstriol (E3) is a very weak estrogen, which was measured frequently by RIA in the 1970s to assess fetal well-being in late pregnancy. From: Yen & Jaffe's 
Estriol | Endocrine Society Jan 5, 2020 - Estriol also called oestriol or E3 is an estrogen hormone. During pregnancy, women produce many hormones that are important to the health of Estriol vs. estradiol: Differences, similarities, and which isJan 22, 2020 - Estriol (E3) and estradiol (E2) are two different forms of the female hormone known as estrogen (sometimes referred to as oestrogen)Estriol review: Clinical applications and potential biomedicalEstrogens are natural endogenous hormones with various physiological actions. Estriol (E3) is a dominant estrogen during pregnancy, and is secreted mainly by Estriol | C18H24O3 - PubChemA hydroxylated metabolite of estradiol or estrone that has a hydroxyl group at C3-beta, 16-alpha, and 17-beta position. Estriol is a major urinary estrogen. During Estriol - DrugBankSep 7, 2007 - Pharmacology. Indication. Used as a test to determine the general health of an unborn fetus. Pharmacodynamics. Estriol (also oestriol) is one of