How many weeks can Twin-to-Twin Transfusion Syndrome be detected?

Patient's question:

No

Doctor's answer:

Twins-Twin Transfusion Syndrome (TTTS) is a severe complication of twin pregnancy with a very high perinatal mortality rate. Without treatment, the mortality rate ranges from 70% to 100%. Fetal laser ablation of placental anastomotic vessels under fetoscopy has become the preferred treatment for TTTS at many fetal medicine centers worldwide.