| Metformin alone (Group I) n = 73 | Metformin + insulin (Group II) n = 21 | P-value |
Maternal weight gain till delivery (kg) | 4.6 ± 0.9 | 4.7 ± 0.7 | 0.26* |
Mean fasting glucose level during first week (mg/dL) | 93.6 ± 2.6 | 93.8 ± 2.8 | 0.498* |