During pregnancy phlegm cough, mainly considered due to respiratory tract infections, if the symptoms are not very serious, you can take dietary methods to alleviate the problem, you can use rock sugar, avocado, Sichuan shellfish porridge to drink. If the diet is not very good, you can also use white radish soup, you can also add some honey, can play a role in relieving cough, but also can help digestion. During pregnancy, the body’s resistance will be weaker, need to pay attention to diet, drink more water, eat more fresh vegetables and fruits, try not to stay up all night, you can appropriate exercise to enhance the body. If the symptoms are more serious, it is best to go to the hospital for examination, according to the results of the examination, under the guidance of the doctor to use the drugs that have less impact on the pregnancy and the fetus, try not to use drugs indiscriminately. If you don’t pay attention to it, it may cause miscarriage and also lead to malformation of the fetus.