INS and gestational diabetes: At SPR of 40%, the DR of the insulin, metformin and diet alone group was 87.2% (95% CI: 84.9, 89.3), 80.0% (77.8, 82.0) and 61.5% (59.2, 63.7), respectively.<h4>Conclusion</h4>Assessment of risk for GDM can be achieved in the first trimester based on maternal risk factors.