title: Less estrogen in new oral contraceptive.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy; D000328:Adult; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage* / Q000009:adverse effects; D004997:Ethinyl Estradiol / Q000008:administration & dosage* / Q000009:adverse effects; D019304:Ethinyl Estradiol-Norgestrel Combination / Q000008:administration & dosage / Q000009:adverse effects; D005260:Female; D006801:Humans; D009644:Norgestrel / Q000008:administration & dosage* / Q000009:adverse effects / Q000031:analogs & derivatives*
chemical_list: D003277:Contraceptives, Oral, Combined; D009644:Norgestrel; D004997:Ethinyl Estradiol; D019304:Ethinyl Estradiol-Norgestrel Combination; C017576:norgestimate