It is normal for women to be short of breath in the early stages of pregnancy, but as pregnancy increases, they will gradually experience panic and shortness of breath and chest tightness, a condition known as pregnancy syndrome, which will gradually improve after a few months. Pregnant women are prone to low immunity during pregnancy, it is recommended to eat more fruits rich in vitamin C. VC can improve resistance and antioxidant. Fruits rich in vitamin C include oranges, tangerines, bananas, cherries, tomatoes, etc. At the same time, pregnant women need to drink more water, replenish sufficient protein, eat more beans, fish, meat and other foods with a balanced mix of nutrients, calcium can be supplemented in moderation, and maintain adequate sleep.