What is Endometriosis

Endometriosis is a common, chronic, and often painful condition where tissue similar to the lining inside the uterus (endometrium) grows outside the uterus.

Key Features

• This misplaced tissue (called endometrial implants, lesions, or endometriomas) responds to hormonal changes during the menstrual cycle: it thickens, breaks down, and bleeds.
• Because it’s outside the uterus, the blood and tissue have nowhere to exit, leading to inflammation, scarring, adhesions (tissues sticking together), and sometimes cysts (especially on the ovaries, called “chocolate cysts”).
• It most commonly affects pelvic organs (ovaries, fallopian tubes, pelvic lining, bowel, bladder) but can rarely appear elsewhere in the body (e.g., lungs, diaphragm).

Prevalence

It affects an estimated 10% (about 190–200 million) of women and people with uteruses of reproductive age worldwide. It can occur from the first period through menopause and impacts people across all ethnic, racial, and socioeconomic backgrounds. Many cases go undiagnosed for years (often 7–10+ years) due to normalization of symptoms.

Common Symptoms

Symptoms vary widely—some people have none, while others experience severe, debilitating effects. The most frequent include:

• Pelvic pain, especially during periods (dysmenorrhea) that is worse than typical cramps.
• Chronic pelvic pain (not just during periods).
• Pain during or after sex (dyspareunia).
• Heavy or irregular menstrual bleeding.
• Pain with bowel movements or urination (especially during periods).
• Infertility or difficulty getting pregnant.
• Fatigue, bloating, nausea, diarrhea/constipation, or lower back pain.

It is sometimes called a “great imitator” because symptoms overlap with other conditions like IBS, pelvic inflammatory disease, or ovarian cysts.

Causes and Risk Factors

The exact cause is unknown, but leading theories include:

• Retrograde menstruation (menstrual blood flows backward through fallopian tubes).
• Genetic factors, immune system dysfunction, hormonal influences, and environmental exposures (e.g., certain toxins). Risk is higher if you have a family history, started periods early, have short menstrual cycles, or never given birth.

Diagnosis

• Based on symptoms, medical history, and pelvic exam.
• Imaging like ultrasound or MRI can suggest it but cannot confirm.
• Definitive diagnosis usually requires laparoscopy (minimally invasive surgery) with biopsy.

Treatment and Management

There is no cure, but symptoms can often be managed effectively:

• Pain relief: NSAIDs (e.g., ibuprofen), heat therapy.
• Hormonal therapies: Birth control pills, progestins, GnRH agonists/antagonists to suppress periods and reduce tissue growth.
• Surgery: To remove lesions, adhesions, or cysts (can relieve pain and improve fertility; may need to be repeated).
• Lifestyle approaches: Exercise, anti-inflammatory diet, physical therapy, or acupuncture for some.
• Fertility treatments if pregnancy is a goal.

Early diagnosis and individualized care improve outcomes and quality of life.

If you suspect endometriosis (especially with severe period pain affecting daily life), see a gynecologist or endometriosis specialist. Organizations like the Endometriosis Foundation of America, WHO, or Endometriosis Association offer excellent resources.

March is Endometriosis awareness month and represented with the color YELLOW.