Does the 3mm second foramen septal defect close on its own?

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Hello doctor. I was born with an echocardiogram, the second hole is 3mm, can I close it on my own? If I can't close it myself, how long can I intervene? Ask your doctor for advice. Thank you doctor!
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Hello. With an atrial septal defect as small as yours, there is a small rate of self-shrinking and possibly sealing. If the hole cannot close on its own, you do not need to worry too much, because such a small hole will not affect your health. However, you need to have an echocardiogram to monitor your pathology every year for proper assessment and treatment.
Thank you for your question to Vinmec Health System. Best regards.
MSc. Dr. Tran Hong Nhat - Interventional Cardiologist - Cardiovascular Center - Vinmec Central Park International General Hospital.