Pregnant women with high blood sugar is a little bit important, you need to control blood sugar through dietary adjustments and exercise in a timely manner, otherwise it may affect the health of the pregnant woman and the fetus. High blood sugar during pregnancy need to suspect the occurrence of gestational diabetes, once diagnosed with gestational diabetes need to be through dietary control, appropriate physical exercise and other ways to restore blood glucose, if necessary, insulin injection, after treatment can effectively control blood glucose generally will not have a serious impact on the fetus and the mother. If the blood sugar can not be effectively controlled, it will have certain effects on the mother and fetus, such as miscarriage, infection, difficult labor, intrauterine growth restriction of the fetus and other adverse consequences, or postpartum easy to develop permanent diabetes, more important. Pregnant women with a little high blood sugar are advised to go to the hospital and ask the doctor to make a judgment.