title: Ovulation suppression in women following vaginal administration of oral contraceptive tablets.
mesh_terms: D003276:Contraceptives, Oral / Q000008:administration & dosage*; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage; D004958:Estradiol / Q000008:administration & dosage; D004997:Ethinyl Estradiol / Q000008:administration & dosage; D005260:Female; D016912:Levonorgestrel; D009644:Norgestrel / Q000008:administration & dosage; D010060:Ovulation / Q000187:drug effects*; D011374:Progesterone / Q000097:blood; D014621:Vagina
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D009644:Norgestrel; D004997:Ethinyl Estradiol; D011374:Progesterone; D004958:Estradiol; D016912:Levonorgestrel