Background: Gestational diabetes mellitus (GDM) is most common medical complications of pregnancy. It is a major medical problem for both over and under nourished pregnant populations. The importance of GDM has been questioned because of the lack of consistent evidence in its effects on pregnancy outcomes. Material & Methods: A hospital based cross sectional study was carried out among 318 women’s randomly of age 18 to 35 years who were in first trimester pregnancy. The patient should be on balanced diet (containing normal daily requirement of carbohydrates) at least for 2 to 3 days prior to the test. Patient should report to the laboratory after fasting for 12-16 hrs. Results: We found 28(9%) cases of GDM and 290(91%) cases of non GDM out of 318. In age group 18 – 23 found that116 (36.47%), in age group 24 – 29years of 164(51.57%) and in age group30 – 35 observed 38 (11.94%). Conclusion: We found that the prevalence of GDM is 9% among the patients who attended hospital on OPD basis. There is increase in risk of GDM with age and parity.
