It is important to measure blood glucose levels because:

• It helps to maintain normal blood glucose levels, and help control diabetes.
• It detects hypoglycemia, which is low blood sugar level.
• It detects hyperglycemia, which is high blood sugar level.

• We must understand how diet, physical activity, and stress affect blood glucose levels.
• Self-monitoring of blood glucose help the doctors plan the treatment.
• Checking blood glucose regularly helps the patient to instantly respond to the high or low blood sugar levels.