Investigations

Random Blood Glucose (RBG) test consider GDM when it is more than 11.1mmol/l

Fasting blood glucose test, consider GDM when it is more more than 7mmol/l

Glucose torelance test

In which 50g of glucose is given orally to the patient and after an hour glucose test is done. If the values are greater  than 140mg/dL, a confirmatory test is done where by  100g of glucose is given to the patient then blood glucose monitoring is done, and If it is  over 180 mg/dL for the first hour, over more than155 mg/dL for the second hour, and more than 140 mg/dL for the third hour a diagnosis of GDM is established.

Additional investigations

Serum electrolytes

Urine for protein