| Outcome Measures: |
Primary: HbA1c, the change in level of glycosylated haemoglobin, 12 weeks|capillary glucose, the change in level of glucose in capillary blood, 12 weeks|fasting blood sugar measurement., the change in level of glucose in venous blood after fasting for 8 hours, 12 weeks|2 hours post prandial blood sugar measurement., the change in level of glucose in venous blood 2 hours after meal, 12 weeks | Secondary: Maternal weight gain, the change in mothers' weight in kilograms, 12 weeks|weekly fetal weight gain measured by ultrasound, the change of fetal weight measured by ultrasound, 12 weeks|insulin requirements, the change in dose of insulin taken by patient, 12 weeks|attacks of maternal hypoglycemia, Number of patients with plasma glucose level below 65 mg/dl, 12 weeks|intra uterine fetal death (IUFD), The number of patients with death of fetus after 20 weeks of gestation, 12 weeks|neonatal weight, The change in neonatal weight in kilograms, 12 weeks|preterm birth, The number of patients giving birth berfore 37 completed weeks, 12 weeks|neonatal respiratory distress, the number of neonates with neonatal respiratory distress, 12 weeks|neonatal hypoglycemia, the number of neonates with plasma glucose level below less than 45 mg/dL (2.5 mmol/L), 12 weeks|neonatal Intensive care admission, the number of neonates with neonatal Intensive care admission, 12 weeks
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