Does Elevated GTT Level Causes Diabetes Mellitus?

Posted on Fri, 27 Mar 2015

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Fri, 27 Mar 2015 Answered on

Fri, 17 Apr 2015 Last reviewed on

Question : Gad antibody possitive and GTT 292, hba1c 6.4, no ketones, no thyoride no other clinical symptoms, is confirmed diabetic 1 or not ?
After diagnosis v r doing checking blood sugar 4 times a day
Fasting average 105, pp average 135 in last ten days highest pp was 148
Age 12 years 11 month, periods not yet started, weight 54 kg, height 5.3 ft
I am ( her father ) diabetic 2 for last 12 years from the age of 34, my mother diabetic 2 from the age of 62
Will my daughter confirmly develop diabetic 1 in future or how long will it take or she may not develop it .

Answered by Dr. Binu Parameswaran Pillai (1 hour later)

Brief Answer:
prediabetes status with future risk of dm

Detailed Answer:
Good day.
Her GTT is surely abnormal. HbA1c and FASTING SUGARS are in prediabetes range. Since GTT is abnormal, she has a high chance of developing diabetes in future. Even though GAD is more suggestive of type 1 diabetes, GAD antibodies are found to be positive in a small proportion of type 2 diabetes patients as well.
What is her height and weight?
You must try to maintain a healthy weight in her.
It is good to do a fasting C peptide as well.
Regards
Binu

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar