Gestational Diabetes Mellitus (GDM) is the most common metabolic complications of pregnancy, and causes fetal mortality and morbidity. Therefore, early diagnosis of GDM is necessary to reduce maternal and fetal morbidity and to help prevent or delay the onset of type 2 diabetes
Objective: This prospective study was carried out to determine the incidence of GDM in Yazd and to assess the effect of various contributing factors.