Early pregnancy reactions are different for everyone. Most people will have nausea, vomiting, dizziness, weakness, drowsiness, and sensitivity to smells. Some people do not have any reactions in early pregnancy and are the same as usual. In some cases, the vomiting is so severe that they cannot eat anything at all. In severe cases, they need to be hospitalized and given fluids to replenish energy to maintain the pregnancy. Some people also have nausea and gastrointestinal discomfort throughout pregnancy up to the full term, and most of the reactions of pregnancy will gradually improve and disappear by the third trimester. During pregnancy, you should pay attention to rest, avoid staying up late and straining, try to avoid strenuous exercise, and do not eat spicy and stimulating foods to avoid diarrhea and diarrhea.