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What Causes Patent Ductus Arteriosus?

If your child has patent ductus arteriosus (PDA), you may think you did something wrong during your pregnancy to cause the problem. However, the cause of patent ductus arteriosus isn't known.

Genetics may play a role in causing the condition. A defect in one or more genes might prevent the ductus arteriosus from closing after birth.

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September 26, 2011 Last Updated Icon

The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.

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