Self-Monitoring of Blood Glucose (SMBG)

By self-monitoring your blood glucose you can measure how your body handles different types of food, exercise, medication, stress and illness. Your blood glucose result may prompt you to eat a snack, take more insulin or go for a walk. Self-monitoring can also alert you to a blood glucose level that is too high or too low, which requires special treatment.
Controlling your blood glucose level is a very important part of managing diabetes. Regularly testing your blood glucose helps measure the effectiveness of your meal plan, physical activity and medications.
The results of self-monitoring can help guide you and your healthcare team to adjust the many parts of your therapy.
To self-test your blood glucose, you need a blood glucose meter, a test strip and a lancing device. Then, follow these basic steps:1
- Wash and dry your hands. Using warm water may help increase the blood flow to your fingertips
- Follow the instructions included with your lancing device to get a drop of blood— which normally include shaking your hands below the wrist or gently squeezing your finger a few times to help
- Apply the blood drop to the test strip as directed
- Wait a few seconds to view your results
- Dispose of the lancet and test strip in the proper manner
While testing from the tip of a finger is most common, it is possible to use alternate site testing (AST). Other methods of testing and monitoring look at your blood glucose in the long-term. An HbA1c (also known as glycated haemoglobin or A1c) test gives you a picture of your average blood glucose control for the past 2 to 3 months.
HbA1c

The HbA1c test (also known as A1c, glycated haemoglobin, or glycosylated haemoglobin) measures your average blood glucose levels over a period of time by taking a sample of a specific component of your red blood cells—haemoglobin A1c molecules.
Some blood glucose naturally attaches itself to these HbA1c molecules as these molecules move through your bloodstream. When this happens, the molecule is considered "glycated." The more glucose in your blood, the more glycated HbA1c molecules you will have.1
The HbA1c test is not a substitute for frequent self-monitoring. It shows the average amount of blood glucose in the body over the last 2–3 months. Frequent highs and lows can result in a healthy-looking HbA1c result. Only self-monitoring can show how meals, physical activity, medications and stress affect your blood glucose levels over short periods of time. This provides more reference as you manage your diabetes.
Most experts and diabetes guidelines recommend an HbA1c test every 3 months. Your healthcare professional will help you schedule HbA1c tests and decide what testing schedule is right for you.
Back to Top
Imagine Complete Diabetes Management that Fits in the Palm of Your Hand. A state-of-the-art system that partners a “smart” blood glucose meter with a reliable insulin pump to bring you a new level of freedom and flexibility.