Patterns and purposes of oral contraceptive use by economic status.
D000328:Adult; D000367:Age Factors; D001294:Attitude to Health; D003276:Contraceptives, Oral; D005191:Family Characteristics; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007182:Income; D009042:Motivation; D009518:New York; D010298:Parity; D011247:Pregnancy; D012959:Socioeconomic Factors; D013223:Statistics as Topic
D003276:Contraceptives, Oral