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What causes congenital heart disease?

ANSWER

Doctors don’t always know why a baby has a congenital heart defect. They tend to run in families. Things that make them more likely include:

  • Problems with genes or chromosomes in the child, such as Down syndrome
  • Taking certain medications, or alcohol or drug abuse during pregnancy
  • A viral infection, like rubella (German measles) in the mother in the first trimester of pregnancy

SOURCES: 

American Heart Association.

CDC: "Facts About Congenital Heart Defects."

U.S. National Library of Medicine: "Endocarditis."

Reviewed by Suzanne R. Steinbaum on August 24, 2017

SOURCES: 

American Heart Association.

CDC: "Facts About Congenital Heart Defects."

U.S. National Library of Medicine: "Endocarditis."

Reviewed by Suzanne R. Steinbaum on August 24, 2017

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What are the types of congenital heart disease?

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