Table 2.

Maternal primary outcomes

	Diet (N = 200)	Metformin (N = 48)	Insulin (N = 101)	Metfom vs. diet P	Metfom vs.insulin P	Diet vs. insulin P
HbA1c at 37 g.w. (mean)	5.4 ± 0.9	5.3 ± 0.7	6.2 ± 1.8	NS	< 0.01	< 0.01
Fasting glycaemia mmol/l	5.1 ± 0.9	5.3 ± 0.7	5.8 ± 1.4	NS	<0.05	<0.01
Postprandial glycaemia (PPG) mmol/l	6.9 ± 1.6	7.0 ± 1.2	7.9 ± 1.9	NS	<0.05	< 0.05
Preeclampsia	1 (0.5%)	4 (8.3%)	6 (6%)	< 0.01	NS	< 0.01
Gestational age at delivery (g.w.)	38.9 ± 1.9	38.9 ± 1.4	37.5 ± 2.2	NS	< 0.01	< 0.01
Mode of delivery -spontaneous	86/130 (66.1%)	22/46(47.8%)	34/100 (34%)	< 0.05	NS	< 0.05
- assisted	3/130 (2.3%)	0	0	NS	NS	NS
- caesarean section	41/130 (31.5%)	24/46(52.2%)	66/100 (66%)	< 0.05	NS	< 0.05