INS and Hypoglycemia: Regarding the hypoglycemia within 1 h of the birth outcome, the estimated effect of metformin indicated improvements compared to insulin (OR 0.65, 95% CI 0.47 to 0.84) and glyburide (OR 0.41, 95% CI 0.26 to 0.66), with the ranking of the treatments for the improvement of hypoglycemia being metformin, insulin, and glyburide.