We found three women (1.2% of the total patients, 1.8% of the total number of women) with IgA deficiencies; however, none of them were positive for TTG2 IgG, although one was found to be positive for DGP IgG (1.5 kU/L). This evidence concerns the gene CD79A and hyperinsulinemic hypoglycemia, familial, 4.