Table 3
Case descriptions of survivors of twin-twin transfusion syndrome (TTTS) with adverse neurodevelopmental outcomes
| Case number | Twin | Gestation at delivery | Amnioreduction | Neonatal ultrasound changes | Outcome | Outcome of other twin | Comments |
| 1 | Donor | 29 | 1 | Cerebral atrophy | CP, GDD | Survived normal | Initially, recipient twin was hydropic at 23 weeks and then resolved. At 29 weeks the donor became acutely hydropic, while the recipient became bradycardic. Urgent caesarean section |
| 2 | Donor | 28 | 0 | PVL | CP, GDD | GDD | |
| 3 | Recipient | 28 | 0 | Cerebral atrophy | GDD | CP | |
| 4 | Donor | 27 | 3 | PVL | GDD | Survived normal | |
| 5 | Recipient | 33 | 3 | PVL | CP | IUFD | Delivered 24 h after IUFD |
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PVL, periventricular leucomalacia; CP, cerebral palsy; GDD, global developmental delay; IUFD, intrauterine fetal death.
