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*