Barriers to contraceptive services.
D000328:Adult; D003267:Contraception / Q000379:methods; D005193:Family Planning Services; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006297:Health Services Accessibility; D006801:Humans; D010817:Physician-Patient Relations; D011787:Quality of Health Care; D012959:Socioeconomic Factors; D014481:United States