estriol congener conjugated estriol http://purl.bioontology.org/ontology/SNOMEDCT/708042009 https://en.wikipedia.org/wiki/Conjugated_estriol https://www.wikidata.org/wiki/Q62416083 An estrogen medication which was previously used for estrogen-type indications such as the treatment of menopausal symptoms in women. The term specifically refers to formulations of estriol conjugates which were manufactured from the estrogen-rich urine of pregnant women and were used as medications in the 1920s and 1930s. Conjugated estriol is analogous to and was superseded by conjugated estrogens (brand name Premarin), which is manufactured from the urine of pregnant mares. Emmenin Progynon