Epidemiology of birth defects.
D000014:Abnormalities, Drug-Induced / Q000453:epidemiology; D000016:Abnormalities, Radiation-Induced / Q000453:epidemiology; D000328:Adult; D000013:Congenital Abnormalities / Q000453:epidemiology* / Q000235:genetics; D004032:Diet; D004196:Disease Outbreaks / Q000453:epidemiology; D004781:Environmental Exposure; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D010331:Paternal Age; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology; D012306:Risk; D012409:Rubella / Q000453:epidemiology; D014481:United States