Normal A1c But High Fasting Glucose

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Topic Overview What is prediabetes? Prediabetes is a warning sign that you are at risk for getting type 2 diabetes. It means that your blood sugar is higher than it should be, but not high enough to be diabetes. Prediabetes is also called impaired glucose tolerance or impaired fasting glucose. Most people who get type 2 diabetes have prediabetes first. What causes prediabetes? The food you eat turns into sugar, which your body uses for energy. Normally, an organ called the pancreas makes insulin, which allows the sugar in your blood to get into your body's cells. But when your body can't use insulin the right way, the sugar doesn't move into cells. It stays in your blood instead. This is called insulin resistance. The buildup of sugar in the blood causes prediabetes. People who are overweight, aren't physically active, and have a family history of diabetes are more likely to get prediabetes. Women who have had gestational diabetes are also more likely to get prediabetes. What are the symptoms? Most people with prediabetes don't have any symptoms. But if you have prediabetes, you need to watch for signs of diabetes, such as: Feeling very thirsty. Urinating more often than usual. Fee Continue reading >>

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Popular Questions

  1. Anneblgtn

    Am I missing something about A1C and other BG measurements? I'm pre-diabetic so I had my daughter, age 18, tested. She got the 2 hour oral glucose tolerance test. Her fasting BG was 90 and she did not spike a bit over 2 hours. Yet her A1C was 5.6 which seems pretty high in the context of her other numbers. Am I missing something about fasting numbers and/or A1C? I'm not super worried about her but I'd like to learn more about BG in general.

  2. Thas

    I'm not a doctor, but I can see why you worry. From what I've read, an A1c of 5.6 is just below what they might clinically call "pre-diabetes" -- I'm not a big fan of that label, but that's not something I'd like to debate . Her OGTT apparently was good and her fasting BG is as well. I'm wondering what kind of fiet she's eating. If she eats anything like my 19-year-old, who practically subsists on pizza and hot dogs, I would expect she had a lot of high-carb snacks and fast-food meals. A1c is used because it tends to reflect a 3-month average - lots of high-carb meals can push that average to the higher end.

    Since you had her tested, I'm assuming you feel she is at a fair bit of risk of developing diabetes. I suggest that there's no better time to work on better eating and exercise habits than now -- habits, by the way, that are good for everyone, anyway!

  3. anon94965695

    I'm, with thas, i do think, it, time, to work, on better eating and exercise, habits, never to late to work on that,.

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