Right ventricular outflow tract anomalies (RVOTAs), such as pulmonary stenosis (PS), atresia (PA), and insufficiency (PI), are typical cardiac in monochorionic twins, they complicated by twin-to-twin transfusion syndrome (TTTS). The aim of this study was to conduct a long-term postnatal cardiological evaluation prenatal RVOTAs diamniotic twin pregnancies TTTS treated with fetoscopic laser surge...