Comparability of reporting between the birth certificate and the 1980 National Natality Survey.
D000328:Adult; D000367:Age Factors; D001034:Apgar Score; D001719:Birth Certificates; D001722:Birth Order; D001723:Birth Rate; D001724:Birth Weight; D003625:Data Collection; D004522:Educational Status; D005260:Female; D005865:Gestational Age; D006801:Humans; D008297:Male; D008393:Marriage; D010298:Parity; D011247:Pregnancy; D011295:Prenatal Care; D044469:Racial Groups; D014481:United States