NFD of Anti-TH (+) endometriosis-associated sympathetic nerve of uterosacral ligament endometriosis (EASN-USL-EM) was also lower than NFD of para-endometriotic sympathetic nerve of uterosacral ligament endometriosis (PESN-USL-EM) (p<0.001). The gene discussed is TH; the disease is endometriosis.