Correlates of contraceptive use among urban poor in Colombia.
D000293:Adolescent; D000328:Adult; D003105:Colombia; D003268:Contraception Behavior; D004522:Educational Status; D005191:Family Characteristics; D005193:Family Planning Services; D005260:Female; D006801:Humans; D011203:Poverty; D011247:Pregnancy; D014505:Urban Population