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Background and Objective: Some studies have shown that pregnant women with abnormal glucose challenge test (GCT) and normal oral glucose challenge test (OGTT) have the chance of adverse pregnancy outcomes including macrosomia, pre-eclampsia and increase of cesarean section rate. This study was performed to determine the pregnancy outcomes in women with abnormal glucose challenge test. Materials and Methods: This case –control study was done on 60 pregnant women with abnormal GCT (more than 130 mg/dl) and normal OGTT and 67 pregnant women with normal GCT (less than 130 mg/dl) in Kermanshah ,Iran during September 2010-March 2011. Results: Delivery with Vacum, polyhydroamnus, pre-eclampsia pyelonephritis and low birth weight significantly was higher in cases than controls (P<0.05). But there was a non significant difference in stillbirth, neonatal abnormality, neonatal respiratory distress and shoulder dystocia between case and control groups. Conclusion: Polyhydramnious, pre‌eclampsia and pyelonephrities and low birth weight are more frequent in pregnant women with abnormal GCT and normal OGTT in compare to pregnant women with normal GCT.