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Obstetric characteristics of 19 subjects with twin-reversed arterial perfusion (TRAP) sequence included in the study
| Characteristic | TRAP subjects (n = 19) |
|---|---|
| AC:PT ratio* | 0.87 ± 0.45 |
| Fetal intervention | 15 (79) |
| GA at intervention (weeks) | 20.2 ± 2.8 |
| Pump-twin survival | 18 (95) |
| Pump-twin birth weight (g) | 2722 ± 723 |
Data are given as mean ± SD or n (%).
Sonographic estimated weight ratio between acardiac (AC) and pump twin (PT). GA, gestational age.
