Table 3.

Maternal complications in study groups.

Maternal complication	Metformin group		Insulin group		P value
	N: 67		N: 70
	%	N	%	N
Preeclampsia	19.4%	13	17.1%	12	0.273
Preterm	10.4%	7	7.1%	5	0.039
Polyhydramnios	11.9%	8	8.5%	6	0.710
Urinary tract infection	5.9%	4	4.2%	3	0.801