There is no diet that only grows the fetus during pregnancy, and the fetus is closely linked to the nutritional status of the pregnant woman. Pregnant women can usually eat crude fiber, high-quality protein, vitamin-rich foods to reduce the intake of saturated fatty acids to help control weight. 1. Crude fiber: such as green beans, corn, soybeans, buckwheat, wheat, etc., these foods are richer in crude fiber content, less fat, not easy to get fat. 2. High-quality protein: mainly including eggs, duck eggs, quail eggs, fish and shrimp, beef, pork, etc., the protein content of these foods is relatively rich, not only to meet the needs of embryonic development, but also not easy to get fat. 3. Vitamins: for example, spinach, kiwi, apple, cucumber, banana, strawberry, pineapple, etc. These foods are more suitable for pregnant women, with less fat content and low calorie. Pregnant women must combine their own situation reasonable diet, and to ensure adequate nutrition, during the period of time to go to the hospital regularly to do a pregnancy test, such as the discovery of abnormal embryonic development, the need to consult the doctor in a timely manner, and under the guidance of the doctor to adjust the diet appropriately, to avoid the development of the fetus is hindered.