“…The following data were collected: maternal age, ethnicity, body mass index (BMI), parity, placental location, GA at diagnosis, TTTS stage, sFGR type, UA Doppler pattern (AREDF), DV Doppler pattern (absent or reversed A-wave (ARF)), EFW, EFW percentile, intertwin EFW discordance, cervical length, GA at surgery, type of surgery, duration of surgery (from insertion to removal of the trocar), miscarriage (spontaneous delivery < 24 weeks of gestation without twin survivors), preterm premature rupture of the membranes (PPROM), GA at delivery, type of delivery, survival at birth, birthweight (BW) of live births, BW percentile [20], intertwin BW discordance of living twin siblings (difference between BW of the larger twin and the smaller twin divided by BW of the larger twin multiplied by 100), and neonatal survival (28 days after birth).…”