Gestational Diabetes Mellitus (GDM) is a collection of symptoms that arise in pregnant women caused by an increase in blood glucose levels due to a progressive decrease in insulin secretion, variables that influence the incidence of gestational diabetes include age, history of diabetes mellitus, can occur at any time, but this disease usually begins to attack in the 24th week of pregnancy. The prevalence of Gestational Diabetes Mellitus in Indonesia is still relatively small, namely around 3-5%, but this figure could be higher because cases of GDM are rarely detected. Even though it can heal on its own, that doesn't mean gestational diabetes is not dangerous.