10 days newborn baby has atrial septal defect 3mm how to do

10-day-old newborn baby with atrial septal defect 3mm can be observed first, because this situation can grow well on its own, to regularly take the baby to the hospital for review. If the patient's atrial septum cannot be repaired by itself after six months to one year, it is necessary to go to the hospital to see a doctor for surgical repair.