How can I tell what my blood glucose levels are doing between tests?

John Interlandi, MD
Endocrinology Diabetes & Metabolism
CGMS stands for continuous glucose monitoring systems. A lot of times, it’s important for doctors to know what their patients' glucose levels are doing between finger stick testing. It's helpful to know, for example, what someone's glucose level is while he or she is asleep. A CGMS placed under the skin will measure blood sugar every five minutes for three days.

With 72 hours of information, doctors can identify glucose patterns and manage them appropriately.

Continue Learning about Diabetes


Diabetes mellitus (MEL-ih-tus), often referred to as diabetes, is characterized by high blood glucose (sugar) levels that result from the body’s inability to produce enough insulin and/or effectively utilize the insulin. Diabetes ...

is a serious, life-long condition and the sixth leading cause of death in the United States. Diabetes is a disorder of metabolism (the body's way of digesting food and converting it into energy). There are three forms of diabetes. Type 1 diabetes is an autoimmune disease that accounts for five- to 10-percent of all diagnosed cases of diabetes. Type 2 diabetes may account for 90- to 95-percent of all diagnosed cases. The third type of diabetes occurs in pregnancy and is referred to as gestational diabetes. Left untreated, gestational diabetes can cause health issues for pregnant women and their babies. People with diabetes can take preventive steps to control this disease and decrease the risk of further complications.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.