| 
      Data are shown as median (range) or number (%)
        | Gestational age at    delivery (weeks) | 33 (19–40) |  
        | Miscarriage (delivery < 22 weeks) | 6 (3.5%) |  
        | Recurrent TTTS | 1 (0.6%) |  
        | TAPS | 2 (1.2%) |  
        | Residual anastomoses | 4 (2.4%) |  
        | Overall survival    (n=342) | 267/342 (78%) |  
        | Neurological sequels    (n=267) | 13/267 (4.9%) |  
        | 2 survivors | 110 (64%) |  
        | 1 survivor | 49 (29%) |  
        | 0 survivor | 12 (7%) |  
        | At least 1 survivor | 159 (93%) |  |