Glucose tolerance screening, or glucose tolerance screening, the general population can choose to do glucose tolerance test according to the blood glucose situation and the presence of typical symptoms of diabetes, the test is best to be performed after 8 to 10 hours of fasting, for pregnant women, it is recommended to do glucose tolerance screening in the 24-28 weeks of pregnancy, in order to clarify the presence or absence of gestational diabetes. The general population needs to perform the glucose tolerance test with 8 to 10 hours of fasting to ensure the accuracy of the results. After the first blood draw, you need to drink a certain amount of glucose solution. However, after the first blood draw and drinking glucose, you should not eat or drink anything else, otherwise it will affect the final result of the glucose tolerance test. Pregnant women are usually screened for glucose tolerance in the 24th to 28th week of pregnancy, and the process is basically the same as that for the general population. If the test confirms that the glucose tolerance is within the normal range, no dietary control is needed. If the glucose tolerance is above the normal range, strict dietary control is needed to keep blood glucose as normal as possible throughout the pregnancy. As there are many factors affecting blood glucose, it is important to follow your doctor’s instructions and prepare for the glucose test.