High blood sugar in 35 weeks of pregnancy will also affect the fetus, which may lead to consequences such as fetal overgrowth, fetal malformation, and death of the fetus due to lack of oxygen, etc. It is necessary to control blood sugar under the guidance of the doctor. 1. Fetal oversize: high blood glucose at 35 weeks of pregnancy will easily lead to the fetus absorbing too much nutrition in the process of growth and development, and is prone to over-nutrition, leading to excessive development of the fetus. It may form a situation where the fetus is huge, increasing the difficulty of production in the later stage. 2. Fetal malformations: high blood sugar at 35 weeks of pregnancy may lead to fetal malformations, and some malformations are too small to be detected by ultrasound precision. 3. Fetal hypoxia death: 35 weeks pregnant with high blood glucose, may lead to increased risk of late delivery of pregnant women, high blood glucose leads to the fetus is too large in the process of delivery may cause a long duration of labor, there may be fetal hypoxia, serious cases may lead to the death of the fetus. Pregnant women with high blood sugar at 35 weeks of pregnancy should control sugar in time to avoid adverse effects on the mother and child.