title: Ovarian changes after long-term oral contraception.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008234:Lynestrenol / Q000494:pharmacology*; D008656:Mestranol / Q000494:pharmacology*; D009640:Norethindrone / Q000494:pharmacology*; D010053:Ovary / Q000187:drug effects / Q000473:pathology*
chemical_list: D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D008656:Mestranol; D008234:Lynestrenol; D009640:Norethindrone