Ovulen as an oral contraceptive.
D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral; D005040:Ethynodiol Diacetate / Q000494:pharmacology; D005260:Female; D006801:Humans; D008656:Mestranol / Q000494:pharmacology; D008875:Middle Aged
D003276:Contraceptives, Oral; D005040:Ethynodiol Diacetate; D008656:Mestranol