- None of the patients had received steroid hormone therapy within the past 3 months, and none exhibited any obvious internal medicine or surgical comorbidities. Women with endometrial abnormalities, pelvic endometriosis, fibroids, ovarian cysts, or lesions were excluded. *P<0.05; **P<0.01; ***P<0.001; NS: P>0.05. Wilcoxon’s rank test was used for age and visual analog scale while for other data Fisher’s exact test was used