P Study group
(n = 143) Control group
(n = 158) Characteristic
0.52 28.3±5.7 28.7±5.4 Maternal age (years)
0.26 47 (32.9%) 44 (27.8%) Nulliparous
0.59 23.3±1.8 23.5±1.7 Pre-pregnancy BMI (kg/m2)
0.88 28.35±2.1 28.3±2 BMI at OGTT (kg/m2)
0.38 12.1±3.9 11.7±3.6 Gestational weight gain (kg)
0.8 22 (15.4%) 27 (17.1%) Diabetes mellitus in the familya
1 33 (23.1%) 37 (23.4%) GDM in previous pregnancies
0.26 154.6±17.6 152.7±18.2 Glucose challenge test (mg/dl)
0.18 86.7±7.5 87.9±8.2 Fasting glucose in 1st trimester (mg/dl)