Patterns of oral contraceptive use in the United States.
Annegers
J F
JF
University of Texas, School of Public Health, Houston.
D000293:Adolescent; D000328:Adult; D003268:Contraception Behavior / Q000639:trends*; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage*; D003279:Contraceptives, Oral, Sequential / Q000008:administration & dosage*; D005260:Female; D006306:Health Surveys; D006801:Humans; D011372:Progestins / Q000008:administration & dosage; D012959:Socioeconomic Factors; D014481:United States
D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003279:Contraceptives, Oral, Sequential; D011372:Progestins