The risk of recurrence of congenital hea disease is

The incidence of congenital hea disease in the normal population is 0.8%.The risk increases to 2-6% for a second child if the sibling is having congenital hea disease(recurrence) or if the parent is affected.When two 1st degree relatives have congenital hea disease, the risk for the subsequent child may reach 20-30%.VSD30-35%ASD(SECUNDUM)6-8%PDA6-8%TOF5-7%