The epidemiology of congenital cardiovascular malformations.
D000531:Altitude; D003878:Dermatoglyphics; D005260:Female; D006330:Heart Defects, Congenital / Q000453:epidemiology*; D006801:Humans; D007178:Inbreeding; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D007235:Infant, Premature, Diseases; D008423:Maternal Age; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012621:Seasons; D012744:Sex Ratio