Hi welcome to healthcareMagic
GTT(glucose tolerance test
) is done to find out , whether you are suffering from the GDM (gestational diabetes
mellites)... The fasting glucose must be less than 90mg.. the GTT at 1 hr is less then 110 to 140 , 2nd hr less than 160, and 3rd less than 180mg/dl... The above given value is within normal range...hope I have answered your question..