title: Methods of fertility regulation: advances in research and clinical experience. Report of a WHO Scientific Group.
mesh_terms: D003267:Contraception; D003276:Contraceptives, Oral / Q000009:adverse effects / Q000494:pharmacology; D004967:Estrogens / Q000008:administration & dosage / Q000494:pharmacology; D005260:Female; D005298:Fertility / Q000187:drug effects; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D009369:Neoplasms / Q000139:chemically induced; D011247:Pregnancy; D011372:Progestins / Q000008:administration & dosage / Q000494:pharmacology; D013923:Thromboembolism / Q000139:chemically induced; D014944:World Health Organization
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens; D011372:Progestins