MTHFD1 and diabetes mellitus: Table 3 presents the association between maternal diabetes mellitus and MTHFD1 gene variants. In the dominant model, there was no association difference between overall (OR=0.853; 95%CI=0.5201-1.441; p=0.307), severe (OR=1.019; 95%CI=0.5455-1.881; p-0.531), and mild forms (OR=0.6744; 95%CI=0.3257-1.351; p=0.154).