the Prognosis of Fetoscopy Treatment of Twin Transfusion Syndrome

Fetal medicine in China is still a new, young discipline, and the development is very rapid. After nearly 10 years of development, the clinical diagnosis and treatment guidelines of some complicated twin diseases has been established. Among them, twin-to-twin-transfusion syndrome (TTTS) is serious disease in twin pregnancy, and the factors affecting prognosis after fetoscopic laser surgery are part of the study. Through this study, the investigators expect to achieve better prediction indicators of the prognosis of TTTS.