Factors associated with perinatal mortality and morbidity.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001722:Birth Order; D001724:Birth Weight; D005006:Ethnicity; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D005315:Fetal Diseases / Q000453:epidemiology*; D005843:Geography; D006801:Humans; D007086:Illegitimacy; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D008297:Male; D010290:Parents; D010808:Physical Examination; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011295:Prenatal Care; D012737:Sex Factors; D012959:Socioeconomic Factors; D014481:United States