Health Video – Information About Monitoring For Pre-Diabetes. Discovering diabetes in its earliest stages can prevent the development of full-blown diabetes. Pre-diabetes is when blood sugar levels are elevated, but not high enough to be classified as diabetes. People with pre-diabetes may be able to take steps to avoid getting Type 2 diabetes, and losing even a few pounds can help. When you’re overweight, your body’s cells are less sensitive to the effects of insulin, a hormone that regulates your blood sugar levels.