Fasting and two hours postprandial blood sugar were done to all cases between 28 and 32 weeks and high blood sugar levels were found so Cases were controlled by both diet and insulin.

The 200 pregnant women with Gestational diabetes mellitus were randomized using automated web based randomization system into 2 groups, Group1 received 1 gram L-ascorbic acid (vitamin C )per day from the time of diagnosis until the time of delivery in addition to routine treatment of diabetes (diet & insulin). Group2 received only the treatment of diabetes

The 200 pregnant women with Gestational diabetes mellitus were randomized using automated web based randomization system into 2 groups, Group1 received 1 gram L-ascorbic acid oral once daily (vitamin C )per day from the time of diagnosis until the time of delivery in addition to routine treatment of diabetes (diet & insulin). Group2 received only the treatment of diabetes (diet and insulin

Inclusion Criteria:

• Women with the diagnosis of GDM

Exclusion Criteria:

• Women with multiple pregnancies
• Chronic medical disorders e.g. anemia
• Hypertension
• Liver disease or renal disease
• Those with obstetric problems other than GDM (e.g. pre-eclampsia & antepartum hemorrhage) or smokers and women with preexisting type I or II diabetes mellitus were excluded from our study