Shortness of breath may be a pregnancy symptom, but it is not absolute and may be caused by other reasons. In the early stages of pregnancy, HCG rises in the body, causing nausea, vomiting, rapid heartbeat, panic, shortness of breath, chest tightness and other symptoms, which is a normal reaction to early pregnancy, and generally with the third month of pregnancy or so, the symptoms will gradually reduce or disappear. However, a single shortness of breath symptom does not mean that the pregnancy manifestation, but also need to be combined with the test paper test or blood test blood HCG clear. If you are not pregnant, shortness of breath may be caused by cardiopulmonary diseases, compression by tight clothing, or excessive tension, etc. You need to improve your cardiopulmonary function, electrocardiogram, cardiac ultrasound and other tests to clarify the cause of shortness of breath and then treat the symptoms.