Sub-categories of Preterm Birth Sub-categories of Preterm Birth Sub-categories of Preterm Birth
Parameter
Term (n=96) Preterm (n=48) 32-36 WoG (n=35) 28-31 WoG (n=10) <28 WoG (n=3)
Age, years 29.0 (22.0-34.0) 27.50 (21.0-35.0) 27.0 (20.50-35.0) 32.0 (23.0-38.50) 30.0 (28.0-30.0)
Delivery, WoG* 38.30±1.02 33.50±3.56* 35.20±1.10 31.0±0.24 22.10±0.52*
Gestations, n (%) Gestations, n (%) Gestations, n (%) Gestations, n (%) Gestations, n (%) Gestations, n (%)
1 33 (34.40) 16 (33.30) 10 (28.60) 4 (40.0) 2 (66.70)
≥2 63 (65.60) 32 (66.70) 25 (71.40) 6 (60.0) 1 (33.30)
History of PTB, n (%) History of PTB, n (%) History of PTB, n (%) History of PTB, n (%) History of PTB, n (%) History of PTB, n (%)
Negative* 91 (94.80) 40 (83.0)* 29 (82.90) 8 (80.0) 3 (100.0)
Positive* 5 (5.21) 8 (16.70)* 6 (17.10) 2 (20.0) NA