Fossa Ovalis ASD (Left To Righ ) 8 mm.

Yesterday I came to known that my son who is 4 month old have hole in his heart after 2D Echo. Doctor suggest an another echo after 6 month. Please suggest me what to do next. The detail of the echo is mentioned below. * Situs Solitus. Levocardia * AV, VA Concordance * Fossa Ovalis ASD ( Left To Righ ) 8 mm * Intact ventricular septum * Normal mitral and tricuspid inflow * No LVOT/RVOT Obstruction * Confluent PA branches * No MR, TR * Normal LV,RV dimensions and function * Left aortic arch * Tiny PDA ( left to right ) * Normal great veins/Pulmonary venous drainage * No PE * LviDD - 2.2 cm, lviDS 1.6 cm Please suggest me what to do next, is it's going to be cured by itself or need some surgery or etc. Please suggest 🙏