The initial test, usually done at 28 weeks does not require that you are fasting. You should eat normally the day of the test. If that test is abnormal then you will have to do a Fasting Glucose Tolerance Test over 3 hours.
for fasting blood sugar 7 or 8 hours sufficient. for random or ppbs there is no need for fasting.
Gray
The glucose tolerance test (GTT) measures the amount of blood sugar levels after the administration of glucose.
You are able to test and see if your blood sugar range is healthy by first fasting for a 24 hour period. After you fast you can take a blood sugar test performed by your doctor.
yes
No you need to know what your blood sugar level is if your level is already low and you take insulin you can go into insulin shock
Fasting blood sugar measures the blood glucose level after a 12-hour fast (no food).
Fasting blood sugar levels
You can use a pregnancy test at anytime while on the pill (it will not effect the test), if you normally have bleeding while taking the sugar pills, wait to see if the bleeding is late or the day before you start your new packet to test for pregnancy.
It depends on the type of blood test. For fasting sugar tests it can have an affect. Fasting longer than 12 to 14 hours will cause your body to start utilizing glycogen that is primarily stored in your muscles and that can affect blood tests for fasting sugar.
No
The two most common screening tests are the fasting blood sugar test and glucose tolerance test.