Annapolis OB-GYN Associates, P.A.

Minimally Invasive Gynecologic Procedures

If you are interested in additional information, please contact our in-office procedure counselor at 410-573-9530.

Endometrial Ablation

Thermachoice® and NovaSure® are both non-surgical, office-based endometrial ablation procedures used to treat the lining of the uterus (endometrium) in women experiencing heavy menstrual periods. Your physician may recommend either procedure when birth control pills have been ineffective or have produced undesirable effects such as weight gain, moodiness etc.

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Essure® is a non-surgical procedure that seals off a woman's fallopian tubes that carry an egg from the ovaries to the uterus. By blocking these tubes, where fertilization usually occurs, sperm is unable to reach the egg to fertilize it. The procedure uses two small, soft micro-inserts (made of a silicone-free material used in heart stents) that are inserted into the fallopian tubes. This causes scar tissue to form and permanently blocks off the tubes. The procedure is performed in an outpatient environment, takes about thirty minutes and is done under local anesthesia. Patients should be aware that the procedure provides permanent birth control and is NOT reversible.

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Gynecare Thermachoice ®

Called "global endometrial ablation", and performed by your physician, this safe eight-minute procedure removes the endometrium using a soft flexible balloon that is inserted into the uterus and filled with fluid. The fluid is then heated and the gentle heat produced causes the uterine lining to shed within seven-ten days, much like a period, although some patients just have a discharge. The majority of the women receiving the procedure report satisfaction. For many, periods stopped completely or menstrual bleeding was significantly reduced. Other results included reduced pain and cramping and reduced PMS symptoms.


Hysteroscopy is an office or hospital based procedure that is used to look inside the uterus. It utilizes a hysterscope, a slender telescope-like device, which is inserted into the uterus. The procedure is commonly used to:

  • diagnose or treat uterine problems associated with abnormal bleeding, i.e. polyps
  • to help with the diagnosis of frequent miscarriages
  • to locate an intrauterine device
  • remove adhesions caused by infection or past surgeries
  • perform sterilization procedures

Women who are pregnant should not have the procedure.

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Novasure is a safe procedure using radio frequency energy (radio waves) to permanently remove the uterine lining (endometrium). The procedure is performed by your physician gently inserting a thin wand, with a mesh array, into the uterus. Once the mesh has conformed to the uterine wall, a radio frequency is generated for about ninety seconds and the wand with the array is then removed. Similar to the results from Thermochoice®, the uterine lining will be shed over the next week to ten days. Results have included a significant reduction in menstrual bleeding, stopped periods, reduced PMS symptoms and reduced pain and cramping.

Note: Endometrial ablations are not a form of birth control, and in fact, complications are increased if you do become pregnant. Therefore, birth control is still necessary.

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