35+ Twin Anemia Polycythemia Sequence (Taps) PNG. Taps can result in severe fetal or neonatal hematologic complications, cerebral injury and perinatal death. Epidemiology taps may occur spontaneously in up to 5% of monochorionic twins and may also develop after incomplete laser treatment.
The difference between taps and chronic ttts is that during pregnancy taps twins have normal.
Diagnostic criteria, classification, perinatal management and outcome. Level ii anatomic survey for (discordant) fetal anomalies. In taps, there is an imbalance in red blood cells between the twins. For a physician to diagnose taps, two events must be present:
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