Pregnant women cough does not exist the fastest and most effective way to stop coughing, according to different causes such as laryngitis, bronchitis, pneumonia, etc., you can drink more warm water, take medication and other methods to stop coughing. 1. Laryngitis: During pregnancy, pregnant women with weak body resistance may suffer from laryngitis, which causes coughing symptoms, the cough is usually not very strong, pregnant women can drink more salt water, warm water, etc., to relieve the symptoms of pain and discomfort in the throat. 2. Bronchitis or pneumonia: simple bronchitis, cough is not considered violent and frequent, there is no fever and other discomforts, pregnant women can strengthen the rest, drink more warm water, to try to alleviate the symptoms; if the bronchitis and pneumonia caused by coughing, sputum, fever, should consult a doctor in a timely manner, under the guidance of the doctor to choose the safety of drugs for treatment, such as penicillin, cephalosporins, and so on. In short, the treatment of disease has a corresponding process, there is no fastest and most effective way to stop coughing, pregnant women coughing if more serious, should seek medical attention in a timely manner, to avoid unauthorized use of drugs, so as not to cause adverse effects.