Figure 3.

Electroacupuncture (EA) improves the morphology of the endometrium and promotes the formation of pinopodes. (a) The uterus specimen on the 5th day of pregnancy, with the arrow denoting the uterus after endometrial injury; Uterine tissue stained with hematoxylin and eosin (40x; 100x). Scale bar = 500 μm. The red arrow points to the blood vessel, and the green arrow points to the gland. (b) Endometrial thickness in each group. (c) Endometrial gland numbers. (d) Endometrial blood vessel numbers. All data are expressed as the mean ± SEM (n = 5 per group). ^∗p < 0.05 and ^∗∗p < 0.01 versus the control group; ^#p < 0.05 and ^##p < 0.01 compared to the model group.