Level 1: Causes of colds and runny noses in pregnant women. The main reason why pregnant women have colds and runny noses is that their immunity decreases during pregnancy and they are susceptible to infection. In addition, weather changes, air pollution, excessive fatigue, etc. can also cause pregnant women to catch colds and runny noses. Level 2: Symptoms of cold and runny nose in pregnant women Symptoms of cold and runny nose in pregnant women include sneezing, nasal congestion, runny nose, headache, fever, etc. These symptoms can cause discomfort to pregnant women and even affect the health of the fetus. Level 3: Treatment methods for pregnant women with colds and runny noses. There are certain restrictions on the use of drugs during pregnancy, so you should choose safe and effective methods when treating pregnant women with colds and runny noses. Can pass many