title: Metabolism of oral contraceptives. II. Metabolism of norethynodrel in women.
mesh_terms: D000328:Adult; D000480:Alkynes / Q000652:urine; D002247:Carbon Isotopes; D002845:Chromatography; D003276:Contraceptives, Oral / Q000378:metabolism*; D004962:Estranes / Q000652:urine; D005040:Ethynodiol Diacetate / Q000652:urine; D005243:Feces / Q000032:analysis; D005260:Female; D006207:Half-Life; D006801:Humans; D006914:Hydroxysteroids / Q000652:urine; D009641:Norethynodrel / Q000008:administration & dosage / Q000378:metabolism* / Q000652:urine; D013237:Stereoisomerism
chemical_list: D000480:Alkynes; D002247:Carbon Isotopes; D003276:Contraceptives, Oral; D004962:Estranes; D006914:Hydroxysteroids; D005040:Ethynodiol Diacetate; D009641:Norethynodrel