After the cervical conization surgery, if the adhesion of the cervix occurs, the phenomenon of no menstruation will occur after the surgery. Although there is no menstruation, there will be regular pain in the lower abdomen every month, which is mainly caused by the adhesion of the cervical canal, the blood in the uterine cavity can not be discharged, that is, the menstruation can not be discharged, and the accumulation of the blood in the uterine cavity. In some women, the adhesion of the cervical canal for a longer period of time may cause the menstrual blood to flow back into the pelvis, causing the appearance of endometriosis, which is the phenomenon of dysmenorrhea in women. When this situation occurs, you can do ultrasound examination, it will be found that there is a large amount of fluid accumulated in the uterine cavity, some people in the pelvic cavity will also see the phenomenon of pelvic effusion, this situation can be treated by simple dilation of the uterus.