Similarly, some risk factors that are known to be associated with the development of GDM, such as GDM in a previous pregnancy, type of treatment (diet or insulin), previous delivery of an infant with birth weight ≥ 4000 g, family history of diabetes and history of polycystic ovary syndrome, were lacking from the CDC dataset and could not be included in the analysis. The gene discussed is INS; the disease is diabetes mellitus.