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If the disease goes untreated, then the prognosis is extremely poor for both foetuses. Mortality ranges from 80% to 100%, while 40% of survivors present severe postpartum complications and long-term damage.
The prognosis improves dramatically for twins treated surgically, with at least one foetus surviving in 85–90% of cases, both foetuses in approximately 65% of cases and nowadays only 5% of survivors present neurological complications.
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Substantiated information by:
Mar Bennasar SansDoctor specialist in Fetal MedicineMaternal–fetal Medicine Department
María Marí GuaschMaría MaríMaternal–fetal Medicine Department
Published: 20 February 2018
Updated: 20 February 2018
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