How to confirm if you have prediabetes?

Prediabetes can be confirmed by your healthcare provider through a blood test. The tests include fasting blood sugar test, oral glucose tolerance test and A1c test.

Fasting blood sugar test is a blood sample that is taken after you fast for at least eight hours or overnight. A fasting blood sugar level from 100 to 125 mg/dL (5.6 to 7.0 mmol/L) is considered prediabetes. This result is sometimes called impaired fasting glucose.

Oral glucose tolerance test is usually used to diagnose diabetes only during pregnancy. A blood sample is taken after you fast for at least eight hours or overnight. Then you’ll drink a sugary solution, and your blood sugar level will be measured again after two hours. If the blood sugar level is from 140 to 199 mg/dL (7.8 to 11.0 mmol/L), then it is considered prediabetes. This is sometimes referred to as impaired glucose tolerance.

A1c test, also known as the haemoglobin A1C or HbA1c test, is a simple blood test that provides the average blood glucose level over the past three months. Prediabetes is confirmed if the value of A1c test is 5.7% to 6.4% mg/dL. The normal value is < 5.7%, and for diabetes the range is 6.5% or higher.

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Disclaimer
Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can further read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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