ACOG issues report on hormonal contraception.
D003267:Contraception / Q000379:methods*; D003271:Contraceptive Agents, Female; D003278:Contraceptives, Oral, Hormonal; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D016912:Levonorgestrel; D008525:Medroxyprogesterone / Q000008:administration & dosage; D012955:Societies, Medical; D014481:United States
D003271:Contraceptive Agents, Female; D003278:Contraceptives, Oral, Hormonal; D003692:Delayed-Action Preparations; D016912:Levonorgestrel; D008525:Medroxyprogesterone