CD86 and endometriosis: In the blood of adolescents with endometriosis, the level of CD86+ monocytes is higher, and CD16+ is lower under the influence of the disease itself (F = 6.84, p = 0.003) under the condition of persistent dysmenorrhea (F = 15.36, p < 0.001) and chronic pelvic pain (F = 14.36, p < 0.001).