How to effectively relieve cough during pregnancy? During pregnancy, due to changes in the body and a weakened immune system, women are prone to coughs, colds and other uncomfortable symptoms. Frequent coughing will not only affect the sleep and appetite of pregnant women, but may also cause certain harm to the fetus. Therefore, cough relief during pregnancy is a very important issue. The following will introduce effective methods for cough relief from the perspectives of diet, exercise, precautions, and drug relief.