Diabetes mellitus (DM), commonly referred to as Diabetes, is a group of metabolic diseases in which there are high blood sugar levels over a prolonged period.
Diabetes is due to either the pancreas not producing enough insulin or the cells of the body not responding properly to the insulin produced. There are three main
types of diabetes mellitus: Type 1 DM ,Type 2 DM Gestational diabetes
Diagnostic method: High blood sugar
Information credit : Wikipedia