Atrioventricular canal defect generally can't be prevented.

Heredity may play a role in some heart defects. If you have a family history of heart defects or if you already have a child with a congenital heart defect, talk with a genetic counselor and a cardiologist before getting pregnant again.

Immunization of children with rubella vaccine has been one of the most effective preventive strategies against congenital heart defects.

Aug. 14, 2015