Amoxicillin for pregnant women is not significantly harmful and does not have a major impact on the development of the fetus. During pregnancy, if there is a bacterial infection, you can consider taking oral amoxicillin. The indications for the use of amoxicillin in pregnant women should be clarified before use, and it is necessary to review the medication after 3 days, pay attention to the symptoms as well as the laboratory indicators to see whether there is any improvement, if there is no indication for the use of the medication, it is necessary to stop the medication in time. However, some pregnant women taking amoxicillin can also appear fungal infections, drug allergies, and blood system problems: 1, fungal infections: amoxicillin is a kind of antibiotic, prolonged application can increase the chances of fungal infections, so it is not recommended to take a large number of long-term. If the medication for a long time, pregnant women with low resistance may have fungal infections, to do timely relevant examinations and laboratory tests; 2, drug allergy: individual pregnant women taking amoxicillin orally, there may be nausea, vomiting and other gastrointestinal discomfort, considered an allergic phenomenon, the drug should be discontinued in a timely manner. If the allergy is serious, the emergence of anaphylaxis may threaten the life of pregnant women; 3, blood system problems: individual pregnant women taking amoxicillin orally for a long time, may cause changes in the blood system, leukopenia, thrombocytopenia, anemia and so on. If the white blood cells of pregnant women are significantly reduced, it can cause a decrease in resistance, and other bacterial infections can easily occur. After thrombocytopenia, hemorrhage may occur during delivery, and if anemia occurs, it will have a greater impact on the pregnant woman. Therefore, once changes in the blood system occur, stop taking oral amoxicillin in time. In addition, after 3 days of oral amoxicillin, if there is no significant improvement in symptoms, other bacterial or viral infections should be considered, timely change of medication, and it is recommended that sensitive antibiotics be selected based on blood culture results. After taking oral amoxicillin, regular rechecks of blood counts and liver and kidney functions are also needed.