Fig. 2

EA ameliorated PCOS acyclicity and gonadal hormone disorder. A H&E staining showing that the ovaries of the PCOS group were smaller than controls and had only a few corpora lutea and had more cystic follicles. B Estrous cycle in each group. The arrow indicates the beginning of the EA treatment. C Gonadal hormone profile in each group. E2 17β-estradiol, T testosterone, DHT dihydrotestosterone, P4 progesterone, SHBG sex hormone binding globulin. Results are presented as means ± SEM. *p < 0.05, **p < 0.01, ***p < 0.001 vs. Control group; #p < 0.05, ##p < 0.01, ###p < 0.001 vs. Obesity group; †p < 0.05, ††p < 0.01, †††p < 0.001 vs. PCOS group (n = 6)