The GA/HbA1c ratio, with more reports in the literature, has been suggested to aid in predicting complications in the children of mothers with gestational diabetes (GDM) [35], with BMI in type 2 diabetes (T2D) [36], and in type 1 diabetes (T1D) individuals with autoantibodies against insulin with high binding capacity and low affinity or recognition of diabetic nephropathy in T2D [37,38]. The gene discussed is INS; the disease is type 2 diabetes mellitus.