Heart Failure Society of America

https://www.hfsa.org/

Pediatric Congenital Heart Association

https://www.conqueringchd.org/

Centers for Disease Control and Prevention

https://www.cdc.gov/ncbddd/heartdefects/facts.html

March of Dimes

https://www.marchofdimes.org/complications/congenital-heart-defects.aspx