Pregnant women can’t breathe may be caused by uterine enlargement, poor environment, lung disease, heart disease, etc., through observation, changing the environment, medication, oxygen and other ways to deal with. 1. Enlargement of the uterus: pregnant women can not breathe may be with the increase in pregnancy weeks, the uterus in the gradual increase in size, upward pressure to the lungs resulting in breathing movement is limited, this is a physiological cause, pregnant women should learn to relax their minds, late pregnancy after the fetus into the pelvis symptoms may be relieved. 2. Poor environment: Pregnant women staying in a more crowded or confined environment may not be able to breathe, this time to go to a more open and fresh air to relieve the symptoms. 3. Lung disease: pregnant women with lung disease, such as lung infections, upper respiratory tract infections, etc., lung tissue edema, increased airway secretions, the body’s blood oxygen exchange is not good, the lack of oxygen will be gasping for breath, under the guidance of the doctor to use cefuroxime sodium, ceftriaxone sodium and other drugs to treat. 4. heart disease: some pregnant women have heart disease before pregnancy, after pregnancy, the uterus expanded, blood volume gradually increased, the heart load increases, may panic, chest tightness, feel out of breath, to go to the hospital to check out what kind of heart disease problems, and then targeted treatment. Pregnant women can’t catch their breath for a variety of reasons, and it is recommended to seek timely medical attention for serious cases.