Generally speaking, high eosinophils in pregnant women can be seen in allergic diseases, parasitic infections, etc., but a slight increase in eosinophils usually has no clinical significance. Elevated eosinophils in pregnant women can be seen in allergic diseases, parasitic infections, etc., but the change of this indicator alone can not explain the problem, but also need to be combined with the clinical symptoms of pregnant women, other auxiliary tests and other comprehensive judgment. If it is slightly elevated without any symptoms, it may not have clinical significance, and regular rechecking is sufficient. The changes in many indicators of blood tests need to be analyzed in combination with clinical symptoms and other tests. If the changes are slight and there is no physical discomfort, it is generally not relevant, and may be due to the influence of changes in the external environment, so there is no need to be overly concerned, pay attention to regular reviews, and maintain a good state of mind.