Perinatal mortality in retrospect and prospect.
D000328:Adult; D001720:Birth Injuries / Q000453:epidemiology; D000013:Congenital Abnormalities / Q000453:epidemiology; D003644:Death Certificates; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D007744:Obstetric Labor Complications / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011446:Prospective Studies; D012189:Retrospective Studies; D012606:Scotland