Pregnancy breathlessness may be caused by pregnancy reaction, uterine pressure on organs or lack of air circulation, etc. The details are as follows: 1. Pregnancy reaction: During pregnancy, the hormone level in the body is also in the stage of elevation, under the stimulation of hormones, some pregnancy reactions will occur, such as chest tightness, panic, and other symptoms, so the phenomenon of pregnant gasping for breath occurs. This is a normal phenomenon, according to their own situation, through relaxation of the mind, a reasonable diet or appropriate out walking and other ways to ease. 2. Uterus compresses organs: As the fetus grows, the uterus also grows, and then the uterus will press upward on the diaphragm, prompting the pregnant woman to have shortness of breath and can’t catch her breath. 3. Poor air circulation: If the air circulation in the environment is not good, the phenomenon of pregnant women not being able to catch their breath will also occur. Due to the lack of air circulation, excessive carbon dioxide will be discharged in the process of breathing, leading to a lack of oxygen in the body, so it will be difficult to breathe or dizziness and other symptoms. It is recommended that if you can’t catch your breath during pregnancy, you should seek medical attention to address the cause of the condition and choose the appropriate treatment plan to avoid adverse consequences.