Separation of Conjoined Twins with the Twin Reversed-Arterial-Perfusion Sequence after Prenatal Planning with Three-Dimensional Modeling

Abstract excerpt

There are two congenital anomalies specific to multifetal pregnancies: twin reversed-arterial-perfusion sequence and conjoined twinning. The twin reversed-arterial-perfusion sequence is a rare complication of monozygous twinning in which one fetus (the “pump” twin) perfuses the other fetus (the “perfused” twin), resulting in reversed flow in the umbilical vessels and multiple structural anomalies, including...

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