What is the normal value of fasting blood sugar for pregnant women? Among the many physiological indicators that need to be paid attention to during pregnancy, blood sugar indicators are one that should be paid attention to. Hormonal changes in the body, nutritional intake and other factors during pregnancy will affect blood sugar levels. If it is lower or higher than the normal value, it may have an impact on the fetus. So, what is the normal value of fasting blood sugar for pregnant women? 1. The definition of normal fasting blood glucose level for pregnant women. The normal fasting blood glucose level for pregnant women refers to the blood glucose level of pregnant women after fasting for at least 8 hours.