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1. By glucose measurement in plasma.
2. Administration of 50g oral glucose load between the 24th and 28th week, without regard to time of day or time of last meal to all pregnant women who have not been identified before the 24th week as having glucose intolerance.
3. Venous plasma glucose measured 1 hour later.
4. A glucose value of 140 mg% (7.8 mmol/L) in venous plasma indicates the need for a full diagnostic glucose tolerance test.
1. Administration of 100 g oral glucose load in the morning after overnight fast of at least 8 hours but not more than 14 hours and after at least 3 days of unrestricted diet (>150 g of carbohydrate) and physical activity.
2. Plasma glucose is measured fasting and at 1,2 and 3 hours after the oral glucose load (subject should remain seated and should not smoke throughout the test).
Diagnostic Criteria for Gestational Diabetes Mellitus :
Two or more of the following venous plasma glucose concentrations must be met or exceeded for a positive diagnosis:
Fasting 105 mg% (5.8 mmol/L)
1 hour 190mg%( 10.6 mmol/L)
2 hour 165mg%(9.2mmol/L)
3 hour 145 mg% (8.1 mmol/L)
*24\329\8*
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