Examine use of low- and lower-dose OCs.
D000569:Americas; D003267:Contraception; D003268:Contraception Behavior; D003276:Contraceptives, Oral; D019049:Developed Countries; D005193:Family Planning Services; D009656:North America; D014481:United States
D003276:Contraceptives, Oral
Americas; Contraception; Contraceptive Effectiveness; Contraceptive Methods; Contraceptive Prevalence; Contraceptive Usage; Developed Countries; Family Planning; North America; Northern America; Oral Contraceptives; Oral Contraceptives, Low-dose; Technical Report; United States