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Use design system guidance and examples to build consistent, accessible NHS services for the public and staff.

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How to measure your blood glucose levels

Testing your blood at home is quick and easy, although it can be uncomfortable. It does get better.

You would have been given:

  • a blood glucose metre
  • small needles called lancets
  • a plastic pen to hold the lancest
  • small test strips
When to check your blood glucose level

Try to check your blood:

  • before meals
  • 2 to 3 hours after meals
  • before, during (take a break) and after exercise

This helps you understand your blood glucose levels and how they're affected by meals and exercise. It should help you have more stable blood glucose levels.