Why search for congenital defects?
D001719:Birth Certificates; D001955:British Columbia; D002170:Canada; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000453:epidemiology*; D003644:Death Certificates; D006233:Persons with Disabilities; D005260:Female; D006330:Heart Defects, Congenital / Q000453:epidemiology; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D012572:School Health Services; D014798:Vital Statistics