Definition: A pharmaceutical preparation containing a mixture of water-soluble, conjugated estrogens derived wholly or in part from URINE of pregnant mares or synthetically from ESTRONE and EQUILIN. It contains a sodium-salt mixture of estrone sulfate (52-62%) and equilin sulfate (22-30%) with a total of the two between 80-88%. Other concomitant conjugates include 17-alpha-dihydroequilin, 17-alpha-estradiol, and 17-beta-dihydroequilin. The potency of the preparation is expressed in terms of an equivalent quantity of sodium estrone sulfate.
do not confuse with ESTRADIOL CONGENERS
Other names Estrogenic Substances, Conjugated; Equine Estrogens, Conjugated; Conjugated Estrogenic Substances; Conjugated Estrogenic Hormones; Wyeth Brand of Estrogens, Conjugated; Trianon Brand of Estrogens, Conjugated; Transannon; Solvay Brand of Estrogens, Conjugated; Progens; Presomen; Premarin; Prelestrin; Pharmacia Brand of Estrogens, Conjugated (USP); Pasadena Brand of Estrogens, Conjugated (USP); Oestrofeminal; Oestro-Feminal; Major Brand of Estrogens, Conjugated (USP); Mack Brand of Estrogens, Conjugated (USP); Femavit; Estrogens, Conjugated