Planned and unplanned fertility in upstate New York.
D000293:Adolescent; D000328:Adult; D001722:Birth Order; D001723:Birth Rate; D002410:Catholicism; D003268:Contraception Behavior; D005193:Family Planning Services; D005260:Female; D006306:Health Surveys; D006801:Humans; D007182:Income; D009518:New York; D011247:Pregnancy; D012111:Residence Characteristics