September 20, 2019 | by Tamer Seckin, MD
Why is endometriosis often misdiagnosed?
On average, it takes 7 to 10 years from the onset of symptoms to receive a confirmed endometriosis diagnosis. During this time, many patients undergo multiple consultations, incorrect treatments, and unnecessary procedures. This delay is not simply a matter of medical oversight — it reflects a systemic gap in awareness, training, and diagnostic infrastructure.
Studies suggest that women with endometriosis visit an average of five physicians before receiving an accurate diagnosis. Many are told their pain is normal, psychological, or exaggerated. This pattern of dismissal causes not only physical harm through disease progression but also significant psychological distress.
There is a multitude of misdiagnoses that doctors will assign to endometriosis. This is primarily because endometriosis is a complex disorder that can often mask itself as other conditions. The general public, including the average physician, is not well aware of the disease. There is, unfortunately, a lack of knowledge and experience within the medical community regarding the diagnosis of endometriosis. The battle against endometriosis is as much an awareness issue as it is a medical one, thus underscoring the great need for continued research.
What are the common misdiagnoses?
Endometriosis may masquerade as other disorders such as:
- Appendicitis
- Ovarian cysts
- Bowel obstruction
- Colorectal cancer
- Diverticulitis
- Ectopic pregnancy
- Fibroids
- Inflammatory bowel disease (IBS)
- Ovarian cancer
- Pelvic inflammatory disease
- Sexually transmitted diseases
Why do these misdiagnoses happen?
Each condition on this list shares overlapping symptoms with endometriosis — pelvic pain, bloating, bowel dysfunction, or abnormal bleeding. Because endometriosis can infiltrate the bowel, bladder, ovaries, fallopian tubes, and even the diaphragm, its presentation changes dramatically depending on which organs are involved. A patient with bowel endometriosis may be treated for IBS for years. A patient with ovarian endometrioma may be monitored for a “simple cyst” that never resolves. A patient with diaphragmatic endometriosis may receive a cardiac workup before anyone considers a gynecological cause. Without a high index of suspicion, endometriosis is easy to miss — and even easier to dismiss.
Warning signs that your diagnosis may be wrong
If you have received a diagnosis of IBS, ovarian cysts, or pelvic inflammatory disease but your symptoms persist or worsen — particularly around your menstrual cycle — it is worth considering whether endometriosis could be the underlying cause.
Key warning signs include:
- Pain that worsens cyclically — around or during menstruation
- Symptoms that do not respond to standard treatment for your current diagnosis
- Pain during intercourse, particularly deep penetration
- Bowel or bladder symptoms that are worse during your period
- Infertility or difficulty conceiving without a clear explanation
- Pain that radiates to the legs, lower back, or rectum
- A family history of endometriosis
What to do if you suspect endometriosis misdiagnosis
The most important step is to seek a second opinion from a physician who specializes specifically in endometriosis, not a general gynecologist. Endometriosis is a surgical disease, and its diagnosis and management require a level of expertise that most generalists are not trained to provide.
Before your appointment, keep a detailed symptom journal that tracks:
- The timing of pain in relation to your menstrual cycle
- Bowel and bladder symptoms, and when they occur
- Pain during or after intercourse
- All previous diagnoses, treatments, and their outcomes
- Any imaging results or operative reports from prior surgeries
How is endometriosis definitively diagnosed?
The only definitive way to diagnose endometriosis is through diagnostic laparoscopy — a minimally invasive surgical procedure in which a camera is inserted into the pelvic cavity to directly visualize and biopsy lesions. While pelvic MRI and transvaginal ultrasound can suggest endometriosis in advanced cases, they cannot reliably detect early-stage or superficial disease.
An experienced endometriosis specialist can identify clinical indicators during a physical examination that general gynecologists may overlook — including uterosacral nodularity, fixed uterine position, or tenderness patterns consistent with deep infiltrating disease. This is why seeing the right specialist early makes such a significant difference.
FAQ
Why is endometriosis so often misdiagnosed?
Endometriosis is frequently misdiagnosed because its symptoms — pelvic pain, bloating, painful periods, and bowel or bladder problems — closely resemble those of many other conditions. Additionally, the average physician receives little to no formal training in recognizing endometriosis, and there is no simple blood test or imaging scan that can definitively confirm it. Diagnosis requires surgical evaluation, which means many women are dismissed with vague labels like “stress” or “irritable bowel syndrome” for years before the true cause is identified. Awareness among both patients and clinicians remains the most critical barrier to timely diagnosis.
What conditions are most commonly mistaken for endometriosis?
The most common misdiagnoses include irritable bowel syndrome (IBS), appendicitis, ovarian cysts, pelvic inflammatory disease, fibroids, diverticulitis, interstitial cystitis, and sexually transmitted infections. Because endometriosis can affect the bowel, bladder, ovaries, and surrounding tissues simultaneously, its symptoms can convincingly mimic any of these conditions, depending on which organs are involved and when during the menstrual cycle symptoms occur.
How long does it take to get a correct endometriosis diagnosis?
On average, it takes 7 to 10 years from the onset of symptoms to receive a confirmed endometriosis diagnosis. During that time, many patients undergo multiple consultations, incorrect treatments, and unnecessary procedures. The diagnostic delay is driven by a combination of physician unfamiliarity with the disease, symptom overlap with other conditions, and a cultural tendency to normalize menstrual pain in women and adolescents.
How is endometriosis correctly diagnosed?
The only definitive way to diagnose endometriosis is through diagnostic laparoscopy — a minimally invasive surgical procedure in which a camera is inserted into the pelvic cavity to directly visualize and biopsy lesions. While pelvic MRI and transvaginal ultrasound can suggest endometriosis in advanced cases, they cannot detect early-stage or superficial disease. An experienced endometriosis specialist can often identify clinical indicators during a physical examination that general gynecologists may overlook, making specialist referral a critical step in achieving accurate diagnosis.
What should I do if I think I have been misdiagnosed?
If your symptoms are not improving with current treatment, or if you have been told your pain is “normal” without a clear diagnosis, seek a second opinion from a specialist who focuses specifically on endometriosis. Keep a detailed symptom journal that includes the timing of pain in relation to your menstrual cycle, bowel and bladder symptoms, pain during intercourse, and any previous treatments and their outcomes. This information is invaluable when presenting your case to a new specialist. At Seckin Endometriosis Center, we evaluate patients from across the country who have experienced prolonged diagnostic delays and can provide a thorough evaluation.
Can endometriosis be confused with cancer?
Yes, endometriosis can occasionally be mistaken for ovarian cancer or colorectal cancer, particularly when imaging reveals masses or nodules on the ovaries or bowel. However, endometriosis is a benign condition — it is not cancerous. Distinguishing between the two requires biopsy and pathological analysis. Women with endometriosis, particularly those with ovarian endometriomas, do have a slightly elevated lifetime risk of certain ovarian cancer subtypes, which underscores the importance of accurate diagnosis and appropriate long-term monitoring.
Get a Second Opinion
Our endometriosis specialists are dedicated to providing patients with expert care. Whether you have been diagnosed or are looking to find a doctor, they are ready to help.Our office is located on 872 Fifth Avenue New York, NY 10065.
You may call us at (646) 960-3080 or have your case reviewed by clicking here.
Dr. Seckin is an endometriosis specialist and women’s reproductive health advocate. He has been in private practice for over 30 years at Lenox Hill Hospital with a team of highly skilled personnel.
Dr. Seckin specializes in advanced laparoscopic procedures and is recognized for his expertise in complex cases of deep infiltrating endometriosis of the pelvis. He is particularly dedicated to performing fertility-preserving surgeries on cases involving the ovaries.
He has developed patented surgical techniques, most notably the “Aqua Blue Excision” technique for a better visualization of endometriosis lesions. His surgical techniques are based on precision and microsurgery, emphasizing organ and fertility preservation, and adhesion and pain prevention.
Dr. Seckin is considered a pioneer and advocate in the field of endometriosis.