Endometrial Ablation

Endometrial Ablation

The lining of the uterus, the endometrium, is shed by bleeding each month during menstruation. Some women experience heavy bleeding or bleeding that lasts longer than usual. Endometrial ablation may be an ideal treatment option. This procedure treats the lining of the uterus to control or stop bleeding. It does not involve removing the uterus and does not affect women’s hormone levels. Endometrial ablation may be an option for a woman who does not wish to become pregnant. If you are thinking about getting an endometrial ablation, talk to your health care provider about the risks and benefits.

About Ablation

Endometrial ablation is used to treat many causes of heavy bleeding. In most cases, women with heavy bleeding are treated first with medication. If heavy bleeding cannot be controlled with medication, endometrial ablation may be used.

Endometrial ablation destroys a thin layer of the uterus’s lining and stops menstrual flow in many women. In some women, menstrual bleeding does not stop but is reduced to normal or lighter levels. If ablation does not control heavy bleeding, further treatment or surgery may be required.

Endometrial ablation should not be done in women past menopause. It is not recommended for women with certain medical conditions, including:

    • Disorders of the uterus or endometrium
    • Endometrial hyperplasia
    • Cancer of the uterus
    • Recent pregnancy
    • Current or recent infection of the uterus

Pregnancy is not likely after ablation, but it can happen. If it does, the risk of miscarriage and other problems is greatly increased. If a woman still wants to become pregnant, she should not have the procedure. Women who have an endometrial ablation should use birth control until after menopause. Sterilization may be a good option to prevent pregnancy after ablation.

A woman who has an ablation still has all her reproductive organs. Routine cervical cancer screening and pelvic exams are still needed.

Before the Procedure

The decision to have an endometrial ablation will be made between you and your doctor. You will discuss the procedure’s risks and benefits. A sample of the lining of the uterus will be taken (endometrial biopsy) to make sure you do not have cancer. You may also have the following tests to check whether the uterus is the right size and shape for the procedure:

  • Hysteroscopy—A slender, light-transmitting telescope called a hysteroscope is used to view the inside of the uterus.
  • Ultrasonography—Sound waves are used to view the pelvic organs.

If you have an intrauterine device (IUD), it must be removed. You cannot have an endometrial ablation if you are pregnant.

Endometrial Ablation Methods

Ablation is a short procedure. Some techniques are done as outpatient surgery, meaning that you can go home the same day. Others are done in the doctor’s office. Your cervix may be dilated before the procedure. Dilation is done with medication or a series of rods that gradually increase in size.

There are no incisions (cuts) involved in an ablation. Recovery takes about two hours, depending on the type of pain relief used. The type of pain relief used depends on the type of ablation procedure, where it is done, and your preferences. Discuss your options with your doctor before you have the procedure.

The following methods are the most commonly used to perform endometrial ablation:

  • Radiofrequency—A probe is inserted into the uterus through the cervix. The top of the probe expands into a mesh-like device that sends radiofrequency energy into the lining. The energy and heat destroy the endometrial tissue while suction is applied to remove it.
  • Freezing—A thin probe is inserted into the uterus. The tip of the probe freezes the uterine lining. Ultrasound is used to help guide the doctor during the procedure.
  • Heated fluid—Fluid is inserted into the uterus through a hysteroscope. The fluid is heated and stays in the uterus for about 10 minutes. The heat destroys the lining.
  • Heated balloon—A balloon is placed in the uterus with a hysteroscope. Heated fluid is put into the balloon. The balloon expands until its edges touch the uterine lining. The heat destroys the endometrium.
  • Microwave energy—A special probe is inserted into the uterus through the cervix. The probe applies microwave energy to the uterine lining, which destroys it.
  • Electrosurgery—Electrosurgery is done with a resectoscope. A resectoscope is a slender telescopic device that is inserted into the uterus. It has an electrical wire loop, roller-ball, or spiked-ball tip that destroys the uterine lining. This method usually is done in an operating room with general anesthesia. It is not as frequently used as the other methods.

After the Procedure

Some minor side effects are common after endometrial ablation:

  • Cramping, similar to menstrual cramps, for one to two days
  • Thin, watery discharge mixed with blood, which can last a few weeks. The discharge may be heavy for two to three days after the procedure.
  • Frequent urination for 24 hours
  • Nausea

Ask your doctor about when you can exercise, have sex, or use tampons. In most cases, you can expect to go back to work or to your normal activities within a day or two.

Your doctor will arrange follow-up visits to check your progress. It may take several months before you experience the full effects of an ablation.


The ablation procedure has certain risks. There is a small risk of infection and bleeding. The device used may pass through the uterine wall or bowel. With some methods, there is a risk of burns to the vagina, vulva, and bowel. Rarely, the fluid used to expand your uterus during electrosurgery may be absorbed into your bloodstream. This condition can be serious. To prevent this problem, the amount of fluid used is carefully monitored throughout the procedure.

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Endometrial Ablation