Forms & Documents

Types of Congenital Heart Defects

Birth defects are grouped into three major categories:

  • structural/metabolic
  • congenital infections
  • other conditions

Birth defects of the heart and circulatory system affect more infants than any other type of birth defect of all infants born each year, approximately 1 in 115 has heart and/or circulatory defects.

– March of Dimes Perinatal Data Center, 2000


How the CHD Types Break Down

Thousands of infants born each year have congenital cardiovascular defects.
Of those who have these defects:

  • 4–10 % have atrioventricular septal defect
  • 8–11 % have coarctation of the aorta
  • 9–14 % have tetralogy of Fallot
  • 10–11 % have transposition of the great arteries
  • 14–16 % have ventricular septal defects
  • 4–8 % have hypoplastic left heart syndrome

– American Heart Association

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