Fetal wastage: a survey of unsuccessful pregnancy.
D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D005007:Ethnology; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000517:prevention & control*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D014481:United States; D044465:White People