Wives' and husbands' expected costs and benefits of childbearing as predictors of pregnancy.
D000328:Adult; D002755:Choice Behavior; D003362:Cost-Benefit Analysis; D003657:Decision Making; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008393:Marriage; D008962:Models, Theoretical; D010298:Parity; D010465:Perception; D011247:Pregnancy; D012737:Sex Factors; D012959:Socioeconomic Factors; D014481:United States; D014505:Urban Population