The initiation of contraception.
D000328:Adult; D001741:Black or African American; D000367:Age Factors; D003267:Contraception; D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D005193:Family Planning Services; D005260:Female; D005306:Fertilization; D006801:Humans; D008393:Marriage; D008722:Methods; D011247:Pregnancy; D012067:Religion; D012494:Sampling Studies; D007507:Therapeutic Irrigation; D013997:Time Factors; D014481:United States
D003276:Contraceptives, Oral