title: Clinical trial with a new low oestrogen combined oral contraceptive.
mesh_terms: D000293:Adolescent; D000328:Adult; D000568:Amenorrhea / Q000139:chemically induced; D001835:Body Weight / Q000187:drug effects; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000139:chemically induced; D008598:Menstruation / Q000187:drug effects; D008875:Middle Aged; D009644:Norgestrel / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D004338:Drug Combinations; D009644:Norgestrel; D004997:Ethinyl Estradiol