PROPERTY RELEASED. MODEL RELEASED. Pregnant woman testing blood sugar level in diabetes. Diabetic pregnant using a testing device to measure her blood sugar levels in a blood sample from one of her fingers. Diabetes is a condition where the body is resistant to or fails to produce the insulin needed to break down sugars in the blood. A diagnostic device is used to test the blood for the levels of the simple sugar glucose. If blood sugar levels are high, an injection of insulin may be needed.