title: Oral contraception, 1986. Currently available formulations.
abstract: Although approximately 49 oral contraceptive products are available in the U.S., most have similar pharmacologic action. Only compounds containing norgestrel are metabolized by a different route.
mesh_terms: D002170:Canada; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage*; D003280:Contraceptives, Oral, Synthetic / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D004338:Drug Combinations; D004339:Drug Compounding; D004997:Ethinyl Estradiol / Q000008:administration & dosage; D019304:Ethinyl Estradiol-Norgestrel Combination; D005260:Female; D005602:France; D006801:Humans; D016912:Levonorgestrel; D009640:Norethindrone / Q000008:administration & dosage; D009644:Norgestrel / Q000008:administration & dosage; D013237:Stereoisomerism; D014481:United States
chemical_list: D003277:Contraceptives, Oral, Combined; D003280:Contraceptives, Oral, Synthetic; D004338:Drug Combinations; C020416:norethindrone acetate, ethinyl estradiol, ferrous fumarate drug combination; D009644:Norgestrel; D004997:Ethinyl Estradiol; D016912:Levonorgestrel; D019304:Ethinyl Estradiol-Norgestrel Combination; D009640:Norethindrone