title: A prospective study of the metabolic effects of a low dose combined oral contraceptive.
mesh_terms: D000328:Adult; D003277:Contraceptives, Oral, Combined / Q000378:metabolism*; D004997:Ethinyl Estradiol / Q000378:metabolism; D005260:Female; D006801:Humans; D016912:Levonorgestrel; D009644:Norgestrel / Q000378:metabolism; D011446:Prospective Studies
chemical_list: D003277:Contraceptives, Oral, Combined; D009644:Norgestrel; D004997:Ethinyl Estradiol; D016912:Levonorgestrel