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Cervical conisation, patient information

Cervical conisation is a surgical treatment in which a conical piece of tissue is removed from the outer part of the cervix. The purpose of cervical conisation is to remove the part of the cervix where atypical epithelial cells have been found in previous examinations. Removal of the atypical cells is necessary to prevent their progression to cervical malignancy.

Course of the procedure

  • Cervical conisation is performed under general or local anaesthesia.
  • If the procedure is performed under general anaesthesia, you must not eat or drink for at least 6 hours on the day of the operation, nor smoke or chew gum in order to prevent vomiting and acidic stomach contents from entering the lungs.
  • An electric loop or a scalpel is used to remove the damaged area of the cervix. Bleeding from the remaining surface of the cervix is stopped with a diathermocoagulator (burning) or sutures and a tampon is inserted into the vagina if necessary.
  • The removed part of the cervix is sent for histological examination, the response of which reaches the treating physician within 2 weeks. Histological examination allows cellular changes and their extent to be specified.
  • After the operation, you will be monitored for a few hours in the outpatient surgery department. Once you have recovered from anaesthesia and the venous cannula has been removed, you can leave the clinic.
  • If your surgery was performed under general anaesthesia, you should not drive or perform any other activities requiring rapid response on this day, as medications used for anaesthesia may slow down your reaction rate.

Possible complications:

  • Bleeding from a cervical wound (1:10). The more dangerous periods are on the first day after the procedure and the time of removal of the crusts covering the wound, which is about 2 weeks after the procedure. Bleeding may require repeated suturing or diathermocoagulation (burning).
  • If an electric loop is used to perform the operation, the skin in the electrode area may be damaged. Electric vaginal ulcers can also occur on the vaginal mucosa and labia.
  • If the piece of tissue removed was large, cervical insufficiency may occur after conisation during subsequent pregnancies. The risk increases for spontaneous abortions and premature births. Cervical insufficiency can be corrected during pregnancy with a supporting suture placed on the cervix.
  • Inflammation of the cervix or uterus occurs less frequently.
  • Injury to organs adjacent to the cervix occurs very rarely.
  • Anaesthesia-related complications are primarily related to the body’s hypersensitivity to medications.

Postoperative period

After conisation, the cervix heals within five weeks. There may be a small amount of bleeding and an unpleasant smelling discharge during this period. To recover, you need to follow these tips:

  • In those five weeks, it is forbidden to have sexual intercourse, take a bath or swim, as these activities can cause bleeding or inflammation.
  • Physical exertion and exercise should be avoided for three weeks.
  • It is not recommended to use vaginal tampons (even during

Occasionally, mild lower abdominal pain may occur after conisation. Some patients experience numb pain in the lower abdomen on the first day after conisation.

Please note! In the case of heavy bleeding, fever or abdominal pain, contact our paid information line 1500 for initial counselling, which will refer you to a doctor if necessary, or go to the nearest Women’s Clinic emergency department (in Tallinn: East Tallinn Central Hospital at 18 Ravi Street or West Tallinn Central Hospital, also known as Pelgulinna Maternity Hospital at 23 Sõle Street.