Symptoms of dyspnea during pregnancy, if they occur in early pregnancy, are mostly considered to be a physiological reaction due to changes in endocrine function, which affects the function of the vegetative nervous system. Pregnant women should go outdoors more often to breathe fresh air, which can generally relieve this symptom, and they should also pay attention to avoid overworking and ensure sufficient sleep. If you have dyspnea in the middle and late stages of pregnancy, you may have severe iron deficiency anemia, and you can have blood tests to further clarify the diagnosis. If you have symptoms of severe iron deficiency anemia, you should actively take iron supplements and eat more iron-rich foods, such as animal liver and lean meat to correct the anemia. Late pregnancy can also cause respiratory distress due to the increased burden on the heart due to the compression of the heart by the uterine fundus and the increase in circulating blood. Pregnant women should try to take rest in the left side position and give appropriate oxygen inhalation to relieve the symptoms.