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Table 1: 
Maternal and perinatal demographic and clinical features of sIUFD and control groups
sIUFDSingletonTwins ControlSignificance (Group 1 vs 2, Group 1 vs 3)
No.294928
GA (mean) (wk)30.9 (SD, 1.2)31.5 (SD, 1.9)31.4 (SD, 1.2)P = .17, P = .21
Maternal age (mean) (yr)31.7 (SD, 6.4)32.3 (SD, 4.9)33.8 (SD, 6.7)P = .62, P = .20
Fetal presentation
 Head223820P = .53
 Breech798
 Transverse020