Endometriosis Symptoms — A Comprehensive Map

Our approach to symptom assessment

At Balaji Horizon, every new endometriosis consultation begins with a structured symptom inventory: a menstrual and pain diary, a systematic review of bowel and bladder symptoms across the cycle, sexual function review, fertility goals, and family history. None of these is checked by way of a single screening question. The diary is the strongest predictor of an endometriosis diagnosis when expert imaging is added. Where indication is clear, we proceed to expert transvaginal ultrasound using the ISUOG IDEA consensus protocol — a far more sensitive examination than routine pelvic ultrasound. MRI mapping is added when deep infiltrating disease is suspected.

The four cardinal symptom families

Pelvic pain is the most common presenting complaint. Dysmenorrhoea that interferes with daily activity, chronic pelvic pain between menstrual cycles, and ovulation pain all fall in this group. Pain that is cyclical at first and becomes continuous suggests deeper disease.

Bowel symptoms — painful defecation (dyschezia), cyclical changes in stool form, rectal bleeding around menstruation — are often misdiagnosed as irritable bowel syndrome for years before endometriosis is considered. Per ESHRE 2022, a cyclical pattern is the key differentiator.

Urinary symptoms — cyclical bladder pain, urinary frequency, haematuria around menstruation — raise concern for bladder or ureteric involvement. A normal urine culture does not exclude endometriosis-related bladder disease.

Dyspareunia, particularly with deep penetration, is strongly associated with deep infiltrating endometriosis in the posterior compartment. This symptom is under-disclosed unless asked about directly.

Why symptoms are missed

Pain is normalised as part of menstruation. Symptoms are attributed to IBS or recurrent infections. A normal-appearing pelvic exam reassures the clinician. A normal routine pelvic ultrasound is taken as ruling out disease. The cyclical nature of symptoms is not asked about. None of these is reliable. Both a normal examination and a normal routine ultrasound can co-exist with significant endometriosis. The diagnostic delay is, in most patients, the cost of missing these patterns.

Explore the symptom areas

Each symptom family is covered in depth below. Where one family dominates, treatment decisions follow a different pathway.

Guidelines we follow

• ESHRE Guideline on Endometriosis (2022) — symptom recognition + initial assessment
• ESGE consensus on operative pathways
• ISUOG-IDEA consensus protocol for sonographic assessment of pelvic endometriosis
• AAGL practice guidelines on the diagnosis and management of endometriosis

Where this fits in your care pathway

Recognising the pattern is the first step. From here, the structured pathway moves to expert diagnosis, then to individualised treatment decisions, with fertility implications integrated from the start. For day-to-day management, see living with endometriosis.

Dr Priyadatt Patel

Endometriosis & Advanced Laparoscopic Surgeon

Dr Patel leads endometriosis diagnosis and surgery at Balaji Horizon with an evidence-based, ovarian-sparing philosophy aligned to ESHRE and ESGE — integrating pain, fertility and long-term disease control into a single plan, rather than treating the disease in isolation.