VEGFA and adenomyosis: Compared with the adenomyosis without LNG-IUS group, VEGF expression was significantly reduced in both eutopic (151.43 ± 31.19 vs. 291.12 ± 35.38, p < 0.01, Figure 3C vs. Figure 3A,F) and ectopic tissues (166.43 ± 27.47 vs. 322.01 ± 32.08, p < 0.01, Figure 3D vs. Figure 3B,F).