Why Endometriosis Is So Commonly Missed
In India, the average time from symptom onset to endometriosis diagnosis is 7–10 years. This is not because the condition is rare — it affects approximately 10% of women of reproductive age, or around 20–25 million Indian women. The delay happens because:
- Painful periods are normalised — "it's just bad cramps" is a phrase too many women hear from family, general practitioners, and even some gynaecologists
- Symptoms overlap with common conditions like IBS, UTI, and PID
- Definitive diagnosis requires laparoscopy — a surgical procedure — which creates a diagnostic threshold many clinicians are reluctant to cross without more obvious red flags
- Awareness among women and primary care providers remains low
The cost of delayed diagnosis is significant. Every year without treatment, endometriosis lesions can progress, adhesions form, and ovarian reserve declines — sometimes irreversibly. For women who want to conceive, early diagnosis is a fertility preservation issue.
Symptoms of Endometriosis
The classic symptom triad is dysmenorrhoea, dyspareunia, and dyschezia — but endometriosis presents in many ways. Critically, the severity of symptoms does not reliably correlate with disease stage.
🔴 Dysmenorrhoea
Severe period pain that worsens over time, often starting days before the period and continuing throughout. Not relieved by standard over-the-counter painkillers. The single most reported symptom.
🔴 Chronic Pelvic Pain
Persistent pelvic pain outside menstruation — often described as a dull ache, pressure, or stabbing sensation. Can affect quality of life and work attendance throughout the month.
🔴 Dyspareunia
Pain during or after sexual intercourse — particularly deep penetrative pain, often worse in certain positions. Caused by adhesions or endometriosis lesions on the uterosacral ligaments or posterior vaginal wall.
🔴 Dyschezia
Painful or difficult bowel movements, especially around menstruation. Often confused with IBS. Caused by endometriosis infiltrating the rectosigmoid or forming adhesions between the bowel and uterus.
🟡 Dysuria
Painful urination — particularly during menstruation. Caused by endometriosis affecting the bladder wall or ureter. Often misdiagnosed as recurrent UTI when urine cultures are negative.
🟡 "Endo Belly"
Severe abdominal bloating — often cyclical, tied to the menstrual cycle. Can cause visible distension. Caused by inflammation and possibly gut involvement of endometriosis.
🟡 Fatigue
Disproportionate exhaustion — particularly around menstruation. Thought to be caused by systemic inflammation and disrupted sleep from pain. Underreported and often dismissed.
🟠 Infertility
Difficulty conceiving — either primary (never conceived) or secondary (difficulty after a previous pregnancy). Present in 25–50% of women with endometriosis. Not all women with endometriosis are infertile.
⚠️ When to Seek Urgent Evaluation
Seek evaluation promptly if you have: period pain that requires you to miss school, work, or daily activities; pain not controlled by ibuprofen or mefenamic acid; pain during sex that has worsened over time; painful bowel movements during periods; difficulty conceiving after 6–12 months of trying. These are not normal — they are symptoms that deserve investigation.
The 4 Stages of Endometriosis (ASRM Classification)
The American Society for Reproductive Medicine (ASRM) classification scores endometriosis based on the location, extent, and depth of lesions, and the presence and severity of adhesions.
Important caveat: The ASRM staging system was designed to assess surgical findings and does not perfectly predict fertility outcomes or pain severity. A woman with Stage I can have debilitating pain; a woman with Stage IV may have conceived naturally. Staging guides surgical and fertility decision-making but is not the full picture.
Diagnostic Pathway
| Test | What It Shows | Limitations |
|---|---|---|
| Transvaginal Ultrasound (TVS) | Detects endometriomas (chocolate cysts), deep nodules in rectovaginal space, adhesions causing 'sliding sign' loss | Cannot detect superficial peritoneal lesions — misses Stage I–II in many cases |
| MRI Pelvis | Maps deep infiltrating endometriosis (DIE) involving bowel, bladder, ureter — essential for surgical planning | Expensive; still misses superficial lesions; not first-line for all patients |
| CA-125 Blood Test | Elevated in moderate/severe endometriosis — useful as a supporting marker | Not specific — elevated in many conditions; normal CA-125 does not rule out endometriosis |
| AMH (Anti-Müllerian Hormone) | Assesses ovarian reserve damage from endometriomas | Does not diagnose endometriosis; shows consequence, not cause |
| Diagnostic Laparoscopy | Direct visualisation of all lesions; biopsy for histological confirmation; simultaneous treatment possible | Surgical procedure requiring general anaesthesia; gold standard but not first step |
Why Laparoscopy Remains the Gold Standard
Endometriosis cannot be definitively diagnosed without seeing the lesions directly. Superficial peritoneal implants — the most common form in Stage I–II disease — are invisible on ultrasound and MRI. Laparoscopy also allows simultaneous treatment: excising lesions, draining endometriomas, and releasing adhesions at the time of diagnosis reduces the need for a second operation.
At Mother Hospitals' gynaecology department in Hyderabad, Dr. Prashanthi Reddy performs advanced laparoscopic surgery for both diagnosis and treatment of endometriosis in the same procedure — minimising patient burden and maximising fertility outcomes.
Endometriosis and Fertility: The Critical Link
Endometriosis is found in 25–50% of women investigated for infertility — making it one of the most important fertility-relevant diagnoses in reproductive medicine. The mechanisms are multiple:
- Endometriomas destroy ovarian tissue: Each endometrioma surgery reduces the remaining ovarian cortex — the area containing follicles. Women with bilateral endometriomas often have AMH values well below normal for their age. Read our low AMH treatment guide for what this means for fertility.
- Distorted anatomy: Stage III–IV adhesions can completely cover the ovaries, block fallopian tubes, and prevent natural egg pick-up
- Inflammatory egg environment: The peritoneal fluid in women with endometriosis contains elevated inflammatory cytokines that impair egg quality
- Impaired implantation: Altered endometrial gene expression reduces receptivity — even with a chromosomally normal embryo
For women with endometriosis-related infertility, the decision between surgery first and direct IVF is nuanced. Our dedicated article on endometriosis and IVF in Hyderabad explains this decision framework in detail.
Suspect Endometriosis? Get Evaluated Today
Dr. Prashanthi Reddy provides specialist endometriosis evaluation — from TVS and CA-125 through to laparoscopic diagnosis and fertility planning.
📞 97059 93366