Failure of large doses of ethinyl estradiol to interfere with early embryonic development in the human species.
D000032:Abortion, Therapeutic; D000328:Adult; D003270:Contraceptive Agents / Q000008:administration & dosage; D004622:Embryo, Mammalian / Q000187:drug effects*; D004997:Ethinyl Estradiol / Q000008:administration & dosage*; D005260:Female; D005865:Gestational Age; D006801:Humans; D008598:Menstruation / Q000187:drug effects; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy
D003270:Contraceptive Agents; D004997:Ethinyl Estradiol