The following information may help to address your question:
Adults who have CHD, to learn more about risks to their children
Parents of a child with CHD, to learn more about risk to siblings
People with a strong
People with signs and symptoms of a genetic
People with types of CHD known to occur in association with a genetic condition, such as 22q11.2 deletion
In addition, you may find the following article to be a helpful resource. The article provides a comprehensive overview of healthcare decisions and testing considerations couples can make to help ensure a healthy pregnancy.
Brundage SC. Preconception Health Care. American Family Physician. 2002 Jun 15;65(12):2507-2515.