STAT3 and edema: In this study, IL‐6, p‐JAK2, STAT1, STAT3, p‐STAT1, p‐STAT3 level in the mucosal layer cells of the fimbriae tissue of the fallopian tube in the hydrops group was significantly higher than that in the control group, indicating that IL‐6 may signal through the JAK2/STAT1 and STAT3 pathways to promote the chronic inflammation of the fallopian tube and cause the fallopian tube Stagnant water.