Always breathlessness in early pregnancy is usually related to physiological factors, bronchitis, pulmonary heart disease, etc. Temporary observation, general treatment and medication can be taken according to the cause. 1. Physiological factors: At the beginning of pregnancy, the levels of progesterone and estrogen in the body will change, and under the influence of hormones, symptoms such as chest tightness and shortness of breath may occur. This situation generally does not require special treatment, temporary observation can be. 2. Bronchitis: If the condition is mild, no special treatment can be done, but some care should be done in terms of environment as well as life, and keep away from allergens as soon as possible, including pollen, mites, dust, etc.; if combined with bacterial infections, benzylpenicillin can be taken orally. 3. Pulmonary heart disease: the disease is generally not recommended medication during pregnancy, but if the condition is serious enough to affect normal breathing, oxygen needs to be inhaled in time. During pregnancy, you can’t breathe, it may also be due to emotional stress, anxiety or due to poor blood circulation throughout the body. It is recommended to analyze the cause before treating the symptoms, to avoid unauthorized use of drugs to affect the development of the embryo.