(1) Etiology: improper surgical design, excessive mucosal resection, or wound contracture after infection.

(2) Clinical manifestations: sexual intercourse is painful, and sexual intercourse is not allowed in severe cases.

(3) Treatment: the mild cases were dilated with vaginal dilator, and the severe cases were loosened or grafted with skin.

2. Wound infection

(1) Reasons: The main reasons are poor health, incurable vaginal inflammation, inadequate vaginal preparation before operation, or lax aseptic operation during operation.

(2) Clinical manifestations: abnormal leucorrhea, foul smell, severe cases accompanied by systemic symptoms such as elevated body temperature and elevated white blood cell count.

(3) Treatment: strengthen systemic anti-infection treatment, change the dressing locally twice a day, and keep the vulva clean, which can be cured.

3. Hemorrhage and hematoma

(1) causes: the peeling surface of the operation field is too large, the hemostasis is not complete, the ligation is not firm, or the operation is rough, and the tissue damage is too large.

(2) Clinical manifestations: bright red blood flows out of vagina after operation, or there is a feeling of falling and holding urine. Posterior wall hematoma anal finger examination can touch blood mass.

(3) Treatment: For a small amount of bleeding or hematoma, gauze can be used to fill the vagina and local compression to stop bleeding. If there is massive bleeding or hematoma, the stitches should be removed in time, the hematocele should be cleaned up, the bleeding point should be found and sutured again, the bleeding should be stopped completely, and anti-infection treatment should be strengthened after operation.