Pregnant women are prone to chest tightness and shortness of breath, which is related to a variety of factors, such as the enlargement of the uterus compressing the chest cavity, the development of the fetus increasing the burden on the heart and so on. After pregnancy, the fetus gradually grows up, which puts more and more demands on the mother’s heart, requiring the heart to eject more blood to meet the body’s blood circulation and provide sufficient nutrition to the fetus. After the burden on the heart increases, it will also be easy to cause the return flow of blood from the lungs to the heart is blocked, it is easy to appear the performance of chest tightness and shortness of breath, so usually must pay attention to avoid cold fatigue, so as not to lead to exertion and cause heart failure may. Pregnant women with chest tightness and shortness of breath also need to beware of the possibility of gestational hypertension, because after pregnancy, with the increased burden on the heart, the risk of gestational hypertension will also increase, it is recommended that regular maternity checks, frequent monitoring of their blood pressure, if there are abnormalities need to be treated in a timely manner. Shortness of breath during pregnancy is also related to the gradual enlargement of the uterus, which will compress the diaphragm upward and make the chest cavity relatively smaller, so that the relative space for the heart and lungs will become smaller and the performance of shortness of breath is more likely to occur. If you have chest tightness and shortness of breath during pregnancy, you need to exclude other pathologies in the lungs, such as bronchitis and pneumonia, etc. You can go to the hospital for an interview and let the doctor determine the specific situation, and you need to intervene with treatment as soon as possible. It is common for pregnant women to experience chest tightness and shortness of breath. Don’t be too nervous about this situation, avoid cold and fatigue, regular maternity checkups, and early intervention if there are problems.