1. What should you do if you catch a cold while pregnant? Colds are very common during pregnancy, but for expectant mothers, catching a cold is no small matter. Because the body\’s immunity of pregnant women is reduced, if a cold is not treated in time, it may cause symptoms such as fever, cough, runny nose, and even fetal malformation and other problems. So, what should you do when you catch a cold while pregnant? 1. Seek medical attention promptly if you feel unwell during pregnancy