Table 1 Characteristics and perinatal outcomes in complicated multiple pregnancies undergoing RFA
Characteristic | sIUGR (n = 60) | TTTS (n = 64) | TRAPs (n = 12) | Foetal anomaly(n = 66) | EFR(n = 70) | Sum (n = 272) | P |
|---|---|---|---|---|---|---|---|
Age pregnancy | 31.17±4.82 | 30.83±4.64 | 30.33±5.68 | 30.85±4.86 | 31.10±4.57 | 30.96±4.73y | 0.982 |
GA at procedure | 22.04±2.77 | 21.17±2.77 | 21.42±4.22 | 20.45±3.51 | 16.73±1.31 | 20.05±3.41w | <0.001 |
IUFD | 2(3.3%) | 3(4.7%) | 0 | 7(10.6%) | 8(11.4%) | 20(7.4%) | 0.217 |
PROM within 2w | 5(8.3%) | 5(7.8%) | 1(8.3%) | 2(3.0%) | 1(1.4%) | 14(5.1%) | 0.286 |
TOP | 0 | 5(7.8%) | 1(8.3%) | 1(1.5%) | 0 | 7(2.6%) | 0.015 |
Miscarriage (> 2w after RFA) | 3(5.0%) | 11(17.2%) | 1(8.3%) | 5(7.6%) | 5(7.1%) | 25(9.2%) | 0.151 |
Delivery at 28–31+ 6w | 4(6.7%) | 4(6.3%) | 0 | 2(3.0%) | 0 | 10(3.7%) | 0.205 |
Delivery at 32–33+ 6w | 7(11.7%) | 12(18.8%) | 4(33.3%) | 12(18.2%) | 25(35.7%) | 60(22.1%) | 0.010 |
Delivery at 37w- | 37(61.7%) | 21(32.8%) | 5(41.7%) | 37(56.1%) | 31(44.3%) | 131(48.2%) | 0.013 |
GA at delivery(w) | 36.58±3.28 | 35.35±3.72 | 36.46±2.60 | 36.93±2.61 | 36.29±1.92 | 36.34±2.90w | 0.265 |
Birth weight | 2983.80±797.30 | 2459.25±777.58 | 2731.11±599.45 | 2768.24±669.14 | 2413.39±463.36 | 2662.48±707.80 | <0.001 |
Technical success | 48(80.0%) | 37(64.9%) | 9(81.8%) | 51(78.5%) | 56(80.0%) | 201(76.4%) | 0.245 |
Neonatal death | 2(3.3%) | 3(4.7%)# | 0 | 0 | 0 | 5(1.8%)# | 0.341 |
Survival rate of co-twin | 48(80.0%) | 37(57.8%) | 9(75.0%) | 51(77.3%) | 56(80.0%) | 201(73.9%) | 0.022 |
Take-baby-home rate | 48(80.0%) | 37(57.8%) | 9(75.0%) | 51(77.3%) | 57/67(85.1%) | 202/268(75.3%) | 0.020 |