Preferences for sex of children among U.S. couples.
D000293:Adolescent; D000328:Adult; D001290:Attitude; D003105:Colombia / Q000208:ethnology; D005069:Evaluation Studies as Topic; D005191:Family Characteristics; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008297:Male; D010679:Philippines / Q000208:ethnology; D011247:Pregnancy; D012737:Sex Factors; D012928:Social Desirability; D013030:Spain / Q000208:ethnology; D014481:United States