Twin-to-twin transfusion syndrome is an imbalance in the blood exchange between babies sharing a placenta. Dr. Ahmet Baschat, Director of the Johns Hopkins Center for Fetal Therapy, presents footage from an fetoscopic laser ablation, a minimally invasive, in-utero surgical procedure that can correct the blood-sharing imbalance caused by twin-to-twin transfusion syndrome. For more information please visit: