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Right ventricular outflow tract obstruction in complicated monochorionic twin pregnancy

Severe right ventricular outflow tract obstruction (RVOTO) is a potential complication in recipient twins of twin‐to‐twin transfusion syndrome (TTTS) that requires postnatal follow‐up or treatment. We aimed to evaluate pregnancy characteristics of neonates with RVOTO from complicated monochorionic twin pregnancies, determine the incidence of RVOTO in TTTS cases and construct a prediction model for its development.