Congenital heart disorders are structural and/or functional abnormalities that are present at birth. These defects are the result of either inherited abnormalities or insults to the fetus in utero. The most common conditions are listed below. | Congenital heart disorders are structural and/or functional abnormalities that are present at birth. These defects are the result of either inherited abnormalities or insults to the fetus in utero. The most common conditions are listed below. |