If it's not GU, could be the heart. Hypoplastic left heart syndrome.

If it's not gu,it could be the heart. Hypoplastic left heart syndrome.

Dr.Robbins and I have a baby with a hypoplastic left heart.

Dr.Robbins and I have a baby with a hypoplastic left heart.

Your baby has hypoplastic left heart syndrome and an intact atrial septum that is causing a restriction to blood flow.