title: Use and misuse of the term potency with respect to oral contraceptives.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002582:Cervix Mucus / Q000187:drug effects / Q000502:physiology; D003276:Contraceptives, Oral / Q000032:analysis* / Q000097:blood / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D004341:Drug Evaluation; D004347:Drug Interactions; D004717:Endometrium / Q000187:drug effects / Q000502:physiology; D004967:Estrogens / Q000032:analysis; D005260:Female; D006801:Humans; D008055:Lipids / Q000097:blood; D008597:Menstrual Cycle / Q000187:drug effects; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D011255:Pregnancy Maintenance / Q000187:drug effects; D011372:Progestins / Q000032:analysis; D051381:Rats; D014621:Vagina / Q000187:drug effects / Q000502:physiology
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens; D008055:Lipids; D011372:Progestins