title: Low-oestrogen combined oral contraceptive.
mesh_terms: D003276:Contraceptives, Oral; D004338:Drug Combinations; D004997:Ethinyl Estradiol / Q000008:administration & dosage* / Q000009:adverse effects; D005260:Female; D006801:Humans; D009644:Norgestrel / Q000008:administration & dosage* / Q000009:adverse effects; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy
chemical_list: D003276:Contraceptives, Oral; D004338:Drug Combinations; D009644:Norgestrel; D004997:Ethinyl Estradiol