How likely is that OS ASD will cure on its own in a baby?

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The treatment of atrial septal defect in neonate or infant depends on the size of the defect and clinical condition of the child. If the child is stable, it can be left alone and sometimes it closes by the age of 3 years. If still, the problem persists, the surgical closure is recommended. Small or moderate size, not causing any complication may be left alone.

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Once an atrial septal defect is diagnosed, your child's pediatric cardiologist will need to regularly evaluate your child periodically to see whether it is closing on its own. Usually, an ASD will be repaired if it has not closed on its own by the time your child starts school. If ASD does not close on its own, surgical correction is required at 3 to 4 years of age. After surgery, they lead a normal life.