At present, there are many reasons for oversized fetus, and the incidence is relatively high, oversized fetus can be the following situations: 1, physiological situation: such as parents are taller and heavier, can appear oversized fetus; 2, pathological situation: such as combined gestational diabetes pregnant women are prone to oversized fetus; 4, nutrition: excess nutrition during pregnancy, too much intake leads to oversized fetus, after pregnancy family members are afraid of nutrition Can not keep up, there are more nutritious food intake, but less exercise, so it is easy to have a huge baby. This leads to less consumption and easy to grow fat, so the fetus will also be too big. In short, nutrition during pregnancy needs to be comprehensive, balanced diet, eating high protein, high vitamin, low salt, low sugar, low fat food, proper exercise, and can do what you can.