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The Reproductive Medicine Program at the Massachusetts General Hospital Department of Obstetrics and Gynecology provides sophisticated, compassionate care for reproductive health problems, placing the highest emphasis possible on patient safety.
The Minimally Invasive Gynecologic Surgery (MIGS) Center at Massachusetts General Hospital delivers innovative, multidisciplinary care for a full range of gynecologic conditions including endometriosis, fibroids, abnormal uterine bleeding, ovarian cysts/masses, pelvic pain, urinary incontinence and gynecologic cancers.Watch a video about the MIGS Center
Call to request an appointment or refer a patient 855-MIGS-MGH
The Benign Gynecology Program at the Massachusetts General Hospital Department of Obstetrics & Gynecology delivers compassionate, expert care for the full range of gynecologic issues.Request an appointment online
Call to schedule an appointment or refer a patient 617-724-6850
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The Obstetrics Program at Massachusetts General Hospital provides state-of-the-art, individualized care for women before, during and after childbirth.
What is endometriosis?
The tissue that lines the uterus is called the endometrium. Normally, if a woman doesn’t get pregnant, this tissue is shed each month during her period. In endometriosis, tissue that looks and acts like endometrial tissue implants outside the uterus. Each month, this misplaced tissue responds to the hormonal changes of the menstrual cycle. It builds up, breaks down, and bleeds. But, the blood has nowhere to go. This causes surrounding tissue to become inflamed or swollen. It can also cause scar tissue, chronic pain, and heavy periods.
Endometriosis is a main cause of infertility in women. This can happen if the tissue implants in the ovaries or fallopian tubes. Tissue can also implant on other organs in the pelvis.
What causes endometriosis?The cause of endometriosis is not clear. It may be that during a woman’s period, some of the tissue backs up through the fallopian tubes into the belly. Another theory suggests genes are to blame. Current research is also looking at the role of the immune system.
What are the risk factors for endometriosis?
Although any woman may develop endometriosis, the following women seem to be at an increased risk for the disease:
- Women who have a mother, sister, or daughter with the disease
- Women who gave birth for the first time after age 30
- White women
- Women with an abnormal uterus
What are the symptoms of endometriosis?
While each woman may experience symptoms differently, these are the most common symptoms:
- Pain and cramps that may be felt in the belly or lower back during your period
- Pain during sex
- Abnormal or heavy menstrual flow
- Painful urination during your periods
- Painful bowel movements during your periods
- Other gastrointestinal problems, such as diarrhea, constipation, and/or nausea
The amount of pain a woman has isn’t always related to the severity of the disease. Some women with severe disease may have no pain. Other women with a milder form of the disease may have severe pain or other symptoms.
How is endometriosis diagnosed?
First, your healthcare provider will review your medical history. You will also have a physical exam and a pelvic exam.
A laparoscopy is done to diagnose endometriosis. This uses a thin tube with a lens and a light at the end. It’s inserted into an incision in the abdominal wall to see into the pelvic area. The healthcare provider can often find the locations, extent, and size of the misplaced tissue.
Other tests may include:
- Biopsy. For this test, a small tissue sample is removed from the body and examined.
- Ultrasound. This imaging test uses high-frequency sound waves to create an image of the organs.
- Computed tomography (CT scan). This is an imaging test that uses X-rays and a computer to make detailed images of the body. A CT scan shows details of the bones, muscles, fat, and organs. It can find problems that may not show up on an ordinary X-ray.
- Magnetic resonance imaging (MRI). This imaging test provides a two-dimensional view of organs or tissue.
How is endometriosis treated?
Your healthcare provider will consider your age, overall health, symptoms and other factors when advising what treatment is best for you. Whether you hope to become pregnant will also play a role in your choices.
Treatment choices include medicine, surgery, or both. If symptoms are mild, you may only need pain medicine. In other cases, hormone-based medicine, such as birth control pills, will stop ovulation and slow endometriosis.
Several choices can be used to remove the implants. Healthcare providers may be able to remove abnormal tissue growths using a laparoscope. In other cases, open surgery is needed. Surgery to remove the uterus is also a choice.
What are the complications of endometriosis?Endometriosis can make it very hard or impossible for a woman to get pregnant. Sometimes surgery can help. But, in a few cases, women may remain infertile.
Living with endometriosis
Simple steps that can help ease the pain of endometriosis include:
- Rest, relaxation, and meditation
- Warm baths
- Prevent constipation
- Regular exercise
- Use of hot water bottle or heating pad on your belly
Key points about endometriosis
- Endometriosis is common in women during the years they can have children.
- It causes tissue that looks and acts like endometrial tissue to implant outside the uterus.
- Treatment may include medicine, surgery, or both.
- It can make it very hard or impossible for a woman to get pregnant.
Next stepsTips to help you get the most from a visit to your healthcare provider:
- Know the reason for your visit and what you want to happen.
- Before your visit, write down questions you want answered.
- Bring someone with you to help you ask questions and remember what your provider tells you.
- At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests. Also write down any new instructions your provider gives you.
- Know why a new medicine or treatment is prescribed, and how it will help you. Also know what the side effects are.
- Ask if your condition can be treated in other ways.
- Know why a test or procedure is recommended and what the results could mean.
- Know what to expect if you do not take the medicine or have the test or procedure.
- If you have a follow-up appointment, write down the date, time, and purpose for that visit.
- Know how you can contact your provider if you have questions.