The bleeding that occurs while you take the inactive pills isn't the same as a regular period. Nor is the bleeding necessary for health. This is good news if you take birth control pills and want more control over your menstrual cycle, either for personal or medical reasons.
To prepare for the glucose tolerance diagnostic test: 1  Eat a balanced diet that contains at least 150 grams (g) of carbohydrate per day for 3 days before the test. Fruits, breads, cereals, grains, rice, crackers, and starchy vegetables such as potatoes, beans, and corn are good sources of carbohydrate.
When glucose levels are well controlled, macrosomia is less likely. At the beginning of the third trimester, all pregnant women should get tested for gestational diabetes. During this test (the so-called one-hour glucose test) a woman drinks a glucose-laden fluid, and her blood sugar level is tested one hour later. If it is abnormal (above 130 or 140mg/dL based on which of two accepted standards is used), a three-hour oral glucose tolerance test (OGTT) is done to confirm the diagnosis.