Diabetes mellitus (DM) is a chronic metabolic disorder characterized by persistent hyperglycemia. It may be due to impaired insulin secretion, resistance to peripheral actions of insulin, or both. Diabetes mellitus are of three types Type1, Type2 and Gestational Diabetes. Type 2 diabetes mellitus (T2DM) accounts for around 90% of all cases of diabetes.
Source: https://www.bharatbook.com/report/1339689/type-diabetes-mellitus-pipeline-insight