signifigance of insulin levels during OGTT
Category: Health > Conditions and Diseases
Asked by: kiteekate-ga
List Price: $15.00
13 Jul 2006 23:56 PDT
Expires: 12 Aug 2006 23:56 PDT
Question ID: 746188
I had an oral glusoce test done during a clinical trial (in Australia). My baseline fasting glucose level was 4.4, one hour post 75g oral glucose load, it was 9.6 and at 2 hours it was 3.9. (I know the reference ranges are different in Aus from the US). I was told this was normal. But my insulin levels seemed too low.....I will put in brackets the "normal" reference range supplied by the lab that did these tests re the insulin. I didn't get the normal range for the glucose readings). At baseline, my fasting insulin level was 4 (6-22) at one hour, insulin was 39 (40-90) at two hours it was 3 (15-65). The guy doing the clinical trial (for a weight loss drink) said it was all OK. I don't have a regular GP as I live on a farm and only did the trial as I was in the city with my sister when it happened to be running. I am overweight - about 90kg female, height 5'4". My cholesterol and other bloods are very good. My maternal grandmother had age-onset diabetes. I know I need to lose weight and I am at higher risk for all sorts of nasties being obese. I am working on it (I used to be 135kg several years ago)But I am just curious about what the low insulin levels actually indicate during that OGTT? I am 40. Post hysterectomy, still have ovaries. Aside from weight, am in good health.
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Re: signifigance of insulin levels during OGTT
From: jshaw-ga on 16 Jul 2006 13:13 PDT
As you pointed out, the reference values are not what I'm used to seeing in the US, but I'll take your word for it that they were normal. In regards to the insulin values, it appears that your body is actually more sensitive to insulin than most people. This is probably a good thing, and is actually the opposite of what happens in Type 2 ('adult onset') diabetes - in diabetes, the body becomes resistant to the effects of insulin, and must produce more and more to get the normal physiological effect. Your body, however, appears to be functioning on less insulin. So, as long as your blood sugars are normal, these values should not be a problem at all.
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