Definition: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.
ethinyl estradiol-desogestrel combination [ Mercilon,combiphasic EE-DSG contraceptive ] Ethinyl Estradiol and Desogestrell given in fixed proportions; has proved to be an effective & well-tolerated oral contraceptive, which improves cycle control & has a beneficial effect on acne