Endometriosis Staging – The Four Stages of Endometriosis

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Different Stages of Endometriosis 

If you suspect that you may have endometriosis, it is important that you consult with your doctor and receive an accurate diagnosis. Endometriosis is commonly diagnosed via a pelvic exam or a surgical procedure called laparoscopy. As part of the diagnosis, the doctor will typically determine which stage of endo a woman has. Identifying the stage helps guide the selection of the treatment most appropriate for her particular case.

The four stages of endometriosis are evaluated using the following criteria:

  • Endometrial implants
    • Location
    • Extent
    • Depth
  • Endometriomas
    • Presence
    • Size
  • Adhesions
    • Severity

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Stage 1 Endometriosis (Minimal) 

The first stage of endometriosis is characterized by superficial implants that are sometimes mistaken for cysts or ovarian cancer. They resemble small, flat patches or flecks on the pelvic surface. The presence of these implants causes irritation and inflammation in surrounding tissues, leading to the formation of adhesions. Adhesions are bands of internal scar tissue that can bind tissues and organs that are normally mobile, causing pain and dysfunction.

Stage 2 Endometriosis (Mild) 

Most women are diagnosed with minimal or mild endometriosis. The attributes of the first-stage endo are present in the second stage as well, but more aggressively. Black spots appear over the fibrous adhesions, which have grown in intensity, likely causing irritation during ovulation and/or pelvic pain. During this stage, lesions also appear in the recto-uterine pouch — the area between the uterus and rectum.

Stage 3 Endometriosis (Moderate) 

Endometriomas, sometimes called “chocolate cysts,” begin to appear in the third stage of endometriosis. Chocolate cysts get their name because, over time, the blood inside the cyst turns dark red and brown. If a cyst ruptures, it can cause extreme abdominal pain and inflammation in the pelvic region. Inflammation and infection, in turn, cause more adhesions.

As endometriomas increase in size and number, so do the adhesions that form in response.

Stage 4 Endometriosis (Severe) 

This is the final stage of endometriosis, associated with a large number of cysts and severe adhesions. Endometriomas can grow very large — even as big as a grapefruit — during this stage. Endometriomas over the size of 2 cm will likely need to be surgically removed.

Since many of the cysts at this stage are on the back wall of the uterus and the rectum, women with stage 4 endo may experience digestive issues such as including painful bowel movements, constipation, nausea/vomiting, and abdominal pain. In addition, infertility is likely with stage 4 endo.

Do I Have Endometriosis?

The following are some common symptoms of endometriosis:

  • Overly painful periods
  • Pain during or after intercourse (dyspareunia)
  • Painful bowel movements
  • Pelvic and lower back pain
  • Infertility
  • Chronic fatigue
  • Painful urination
  • Bloating
  • Lower abdominal pain

Symptoms of endometriosis do not always correlate with the stage. For example, a woman with stage 2 endo may experience more pain than a woman with stage 4.

Discover how Clear Passage® Physical Therapy’s non-surgical, drug-free approach can potentially alleviate your endometriosis pain and improve fertility – schedule your Free Consult or Request Info today to explore a personalized treatment plan. To learn more, visit our Apply to Therapy page.

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“If the information in this article sounds like it may relate to what you’re experiencing, the team at Clear Passage® Physical Therapy is here to help. Many people living with this condition simply want to know if there is a natural treatment option without drugs or surgery that could work for them. The good news is you don’t have to figure it out alone. You can request more information to speak with a knowledgeable team member who will review your situation and help you understand whether this specialized therapy may be a good fit. If you’re ready to move forward, you can also apply for therapy so the clinical staff can carefully review your health history and determine the best path toward relief. Taking a few minutes to reach out could be the first step toward getting answers—and possibly getting your life back.”

Read about Infertility frequently asked questions.


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