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.
Diabetes Diagnosis methods : Oral Glucose Tolerance Test. The last test given is called an oral glucose tolerance test. The patient needs to fast, usually overnight, for 10-16 hours before the test is taken. The only thing that can be ingested is water. Once at the doctor's office, a blood sample is drawn and tested to give a baseline reading. While waiting for the results of the first test, the patient is given a drink of glucola, a cola drink that has a high content of sugar (75 grams of glucose). If the person being tested is a pregnant woman, a higher dose of glucola (100 grams) is given.