ABSTRACT
Gestational diabetes mellitus is common disorder in pregnancy. It is associated with adverse pregnancy out come. There is no consensus regarding the optimal approach to screening of gestational diabetes mellitus. The present study has tried to observe the value of fasting blood glucose in screening of gestational diabetes. To determine the frequency of patients in whom fasting blood glucose and 100gm glucose tolerance show agreement for screening of gestational diabetes mellitus at 24-28 wks. Comparative cross sectional study. The study was conducted at Gynecology and Obstetrics department Shaikh Zayed Federal Post Graduate Institute Lahore. 6 months from 12 Nov 2010 to 11 May 2011. The study included 135 booked patients with positive family history of diabetes mellitus. All patients underwent fasting blood glucose at 24-28 weeks of gestation, regardless of results of fasting blood glucose on next visit they underwent 100g oral glucose tolerance test [OGTT]. The agreement between fasting blood glucose and 100g oral glucose tolerance test was calculated in frequency and percentages. The mean age of women in studied population was 27.15 +/- 3.70. Out of 135 patients 86.7% [117] showed agreement between results of fasting blood glucose and 100g OGTT while 13.31% [18] showed no agreement between both of the tests. Fasting blood glucose is a good screening option for gestational diabetes mellitus along with positive history. It provides a simple, cheap and more practical test for screening of gestational diabetes mellitus. However diagnostic confirmation with 100g OGTT should be done