Either situation can cause damage to your body over many years, leading to potentially serious complications.

Who Should Monitor Blood Glucose?

How often will depend on the pop in of insulin used.

blood glucose test

Mark Hatfield/E+/Getty Images

For those who take only long-acting insulin, testing twice a day is often enough.

ADA advises doing a blood sugar check any time symptoms of hyperglycemia or hypoglycemia appear.

It will be at regular yearly checkups that a person with prediabetes will have their blood glucose measured.

Performing a blood glucose test with a finger prick

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).Managing diabetes.

Centers for Disease Control and Prevention.Diabetes: Monitoring your blood sugar.

American Diabetes Association Professional Practice Committee.7.

woman measuring blood glucose

Diabetes Technology: Standards of Care in Diabetes2025.Diabetes Care.

2025;48(Supplement_1):S146-S166.

doi:10.2337/dc25-S007

American Diabetes Association Professional Practice Committee.6.

Close up of asian woman hands using lancet on finger to check blood sugar level by glucose meter, Healthcare medical and check up, diabetes, glycemia, and people concept

Glycemic Goals and Hypoglycemia: Standards of Care in Diabetes2025.Diabetes Care.

2025;48(Supplement_1):S128-S145.

doi:10.2337/dc25-S006

Durnwald C.Patient education: Gestational diabetes (Beyond the Basics).UpToDate.

man learning how to use a glucometer

American Diabetes Association Professional Practice Committee.15.

Management of Diabetes in Pregnancy: Standards of Care in Diabetes2025.Diabetes Care.

2025;48(Supplement_1):S306-S320.

Diathrive Blood Sugar Test Kit & Blood Glucose Monitoring System atop a decorative blue background

doi:10.2337/dc25-S015

American Diabetes Association Professional Practice Committee.5.

Facilitating Positive Health Behaviors and Well-Being to Improve Health Outcomes: Standards of Care in Diabetes2025.Diabetes Care.

2025;48(Supplement_1):S86-S127.

Woman wearing a CGM and putting her hair up

doi:10.2337/dc25-S005

American Diabetes Association Professional Practice Committee.2.

Diagnosis and Classification of Diabetes: Standards of Care in Diabetes2025.Diabetes Care.

2025;48(Supplement_1):S27-S49.