1. The harm of colds in pregnant women to the fetus Colds in pregnant women are a common disease, but if not treated in time, they will have certain effects on the fetus. Pregnant women may experience fever, headache, fatigue and other uncomfortable symptoms after catching a cold. If not treated in time, it may cause fetal malformation or developmental delay and other problems. 2. How should pregnant women treat colds? After pregnant women catch a cold, they should seek medical treatment promptly and receive treatment according to the doctor\’s recommendations. During the treatment process, you should pay attention to diet and rest, and maintain a good mood and optimistic attitude. At the same time, you can also relax your body by eating some light food and drinking more water.