estriol

[ es-tree-awl, -ol, -trahy- ]

noun

1. Biochemistry. an estrogenic hormone, C 18 H 21 (OH) 3 , occurring in urine during pregnancy.
2. Pharmacology. a commercial form of this compound, obtained from human placentas or the urine of pregnant women, used in conditions involving estrogen deficiency.

estriol

/ ˈiːstrɪ-; ˈɛstrɪˌɒl /

noun

1. the usual US spelling of oestriol

Word History and Origins

Origin of estriol¹

First recorded in 1930–35; es(trin) + tri- + -ol ¹

Example Sentences

The pregnancy hormones are estradiol, estriol and progesterone, which give many benefits.

From The Guardian

As women age, the key hormones their bodies naturally produce — estrogen, which is a group of hormones that includes estriol, estradiol and estrone, as well as progesterone and testosterone — may fluctuate or decline.

From Washington Post

These oils are even more effective when combined with small amounts of pharmacy-compounded estriol and testosterone, she said.

From New York Times