Level 1: Causes and symptoms of sore throat in pregnant women. Pregnant women have reduced immunity due to endocrine changes in their bodies, and are prone to upper respiratory tract diseases. When pregnant women experience sore throat, they often have the following symptoms: throat swelling, hoarseness, fever, fatigue, etc. If left untreated, it may cause more serious complications. Level 2: What medicines can pregnant women take to relieve sore throat? Pregnancy is a period when special attention needs to be paid to medication safety, so during treatment