Their carbohydrates are gradually released, meaning they are less likely cause blood sugar spikes. Then, you'll be given the sugary liquid to drink and your blood sugar will be tested one hour later. Regular testing through the day can help you improve control of your blood sugar levels. Biophysical profile. People with severe or prolonged hypoglycemia may need to take glucagon. We appreciate you taking the time and confirming your preferences. High blood sugar levels in early pregnancy can cause birth defects in a baby. Blood sugar is measured in milligrams per dL. Sores that take some time to heal, often on the feet and legs, are a sign there is decreased circulation. Adimoolam points to).