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Diabetes: Blood Sugar Levels - Topic Overview

Keeping your blood sugar in a target range reduces your risk of problems such as diabetic eye disease (retinopathy), kidney disease (nephropathy), and nerve disease (neuropathy).

The American Diabetes Association (ADA) and American Academy of Pediatrics (AAP) suggest the following A1c and blood glucose ranges as a general guide.1, 2, 3

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  • Children of any age with type 2 diabetes and most adults with type 1 or type 2 diabetes (non-pregnant)
    • A1c: Less than 7.0%
    • Before meals: 70 to 130 milligrams per deciliter (mg/dL)
    • 1 to 2 hours after meals: Less than 180 mg/dL
  • Women with type 1 or type 2 diabetes who become pregnant
    • A1c: Less than 6.0%
    • Before meals, bedtime, and overnight: 60 to 99 mg/dL
    • 1 to 2 hours after meals: 100 to 129 mg/dL or lower
  • Women who have gestational diabetes
    • Before meals: 95 mg/dL or less
    • 1 to 2 hours after meals: 120 to 140 mg/dL or lower
  • Adolescents and young adults with type 1 diabetes (13 to 19 years old)
    • A1c: Less than 7.5%
    • Before meals: 90 to 130 mg/dL
    • Bedtime and overnight: 90 to 150 mg/dL
  • School-age children with type 1 diabetes (6 to 12 years old)
    • A1c: Less than 8.0%
    • Before meals: 90 to 180 mg/dL
    • Bedtime and overnight: 100 to 180 mg/dL
  • Toddlers and preschoolers with type 1 diabetes (under 6 years old)
    • A1c: Less than 8.5%
    • Before meals: 100 to 180 mg/dL
    • Bedtime and overnight: 110 to 200 mg/dL

Some people can work toward lower numbers, and some people may need higher goals.

For example, some children and adolescents with type 1 or type 2 diabetes, people who have severe complications from diabetes, people who may not live much longer, or people who have trouble recognizing the symptoms of low blood sugar may have a higher target range.

And some people, such as those who are newly diagnosed with diabetes or who don't have any complications from diabetes, may do better with a lower target range.

Work with your doctor to set your own target blood sugar range. This will help you achieve the best control possible without having a high risk of hypoglycemia.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: June 24, 2013
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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    Diabetes: Blood Sugar Levels Topics

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    or
    Answer:
    Low
    0-69
    Normal
    70-130
    High
    131+

    Your level is currently

    If the level is below 70 or you are experiencing symptoms such as shaking, sweating or difficulty thinking, you will need to raise the number immediately. A quick solution is to eat a few pieces of hard candy or 1 tablespoon of sugar or honey. Recheck your numbers again in 15 minutes to see if the number has gone up. If not, repeat the steps above or call your doctor.

    People who experience hypoglycemia several times in a week should call their health care provider. It's important to monitor your levels each day so you can make sure your numbers are within the range. If you are pregnant always consult with your health care provider.

    Congratulations on taking steps to manage your health.

    However, it's important to continue to track your numbers so that you can make lifestyle changes if needed. If you are pregnant always consult with your physician.

    Your level is high if this reading was taken before eating. Aim for 70-130 before meals and less than 180 two hours after meals.

    Even if your number is high, it's not too late for you to take control of your health and lower your blood sugar.

    One of the first steps is to monitor your levels each day. If you are pregnant always consult with your physician.

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