From Monroe, Michigan, USA:
I am 36 years old, 14 weeks pregnant, I and have a very strong family history of diabetes. My midwife's office recently had me undergo a one-hour GTT, and my initial blood sugar was 144 mg/dl [8 mmol/L]. I then fasted for four hours, they checked another blood sugar which was 90 mg/dl [5 mmol/L]and returned with a blood level of 90, I consumed the Glucola and the next day I was told my level was next day it was 170 mg/dl [9.4 mmol/L].
I then did the three hour GTT. I fasted for 10 hours and had a fasting blood sugar of 114 mg/dl [6.3 mmol/L], and I also had a sample drawn from the arm prior to consuming 100 grams of Glucola, and that value was 83 mg/dl [4.6 mmol/L]. As I understand it, there is a bit of a difference between a finger poke and a blood draw, but isn't this level remarkably off? I questioned the nurse, and she said the reading was deemed different once sent to the lab, although the technicians were concerned. I am hoping you can explain. There was a young child having the test at the same time, and I wonder if they didn't confuse our readings in the end, as my readings ending up being:
Time Blood Glucose Fasting 83 mg/dl [4.6 mmol/L] 1 Hours 80 mg/dl [4.4 mmol/L] 2 Hours 85 mg/dl [4.7 mmol/L] 3 Hours 60 mg/dl [3.3 mmol/L]
I still have symptoms of diabetes (terrible thirst and urination) so I am considering checking my levels with family meters.
The test results that you are showing me do not make a great deal of sense. First of all, a random blood sugar of 144 mg/dl [8 mmol/L] is high, and I am not surprised that the one hour glucose test result was 170 mg/dl [9.4 mmol/L]. Similarly, a fasting blood sugar of 114 mg/dl [6.3 mmol/L] is abnormal.
The results of your three hour test are puzzling in that the values are much lower than expected from the normal values. There is some difference between fingerstick results and blood drawn from a vein. I would verify that the glucose meter is correctly calibrated and also suggest repeating the three-hour test in a laboratory using blood drawn from a vein.
Original posting 18 Jul 2003
Posted to Gestational Diabetes
Last Updated: martes abril 06, 2010 15:09:45
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