In case of respiratory distress, you should first find a place with air circulation to maintain a lateral position or rest, preferably with someone to accompany and help. If there is oxygen around, you can relieve it by inhaling oxygen. At the same time, call 120 emergency in time and inform the 120 emergency staff of the situation at this time, and the 120 emergency doctors will prepare the appropriate equipment for resuscitation and treatment. Difficulty in breathing at any stage of pregnancy is a red flag and an adverse symptom, and can even have serious consequences, so once this happens, you should seek medical attention promptly. Dyspnea is a very urgent symptom and manifestation during pregnancy and should be checked immediately at a hospital. Difficulty in breathing and inability to lie down during pregnancy indicates circulatory system disorders or abnormal heart function. Difficulty in breathing in pregnancy may be related to respiratory, circulatory, cardiac or medical-surgical comorbidities.