A test called hemoglobin A1c can tell you your average blood sugar control for the last three months. This test should be done every three months to give you information about your blood sugar control. Hemoglobin A1c less than or equal to 7 percent is optimal. Your machine should be within 15 percent of your doctor's lab machine.
Definitive studies show that cholesterol control can lower frequency of heart disease and stroke.
This test should be done yearly after diagnosis of type 2 diabetes and 3-5 years after type 1. This test should be done yearly if normal and more frequently if not. Blood pressure is key to halting the progression of diabetic complications, especially eye and kidney disease. Stroke and heart attacks are also very common and progress rapidly if blood pressure is high. Blood pressure must be checked at every doctor's office visit.