34 weeks pregnant can be fasting between 8:00 pm the night before and 8:00 am in the morning, after 8:00 am blood glucose test, so as to understand the value of blood glucose, to determine whether there is the presence of gestational diabetes mellitus. Pregnant women in the 34th week of pregnancy, you can carry out blood glucose testing, usually through fasting blood glucose test, usually need to be in the night before 8:00 pm to the next day between 8:00 am can not eat, need to keep fasting state, can be after 8:00 am for blood glucose testing. A fasting blood glucose value of less than 5.1 mmol/L is considered normal. If the value is significantly higher, it may be suspected that the pregnancy is gestational diabetes, the patient can take an oral glucose tolerance test to clarify the cause of the disease. Pregnant women during pregnancy should pay attention to do a good job of prenatal checkups, and actively listen to the advice of professional doctors to do a good job of comprehensive care and health care, pregnant women once diagnosed with gestational diabetes, need to actively cooperate with the doctor to take relevant therapeutic measures. During pregnancy, pay attention to rest more, at the same time should relax, avoid tension, anxiety, any discomfort should be timely to the hospital.