Chronic Pelvic Pain in Women: Causes, How It Is Evaluated and Where to Start

Why pelvic pain is so often misdiagnosed

The pelvis is shared territory. The uterus and ovaries, the bladder, the rectum, the pelvic floor muscles and a dense network of nerves sit within centimeters of each other and send pain signals along overlapping pathways. A gynecologist sees the uterus, a urologist the bladder, a gastroenterologist the bowel, an orthopedist the hip and spine. Each can find something, or nothing, and the woman is referred onward. The ACOG practice bulletin on chronic pelvic pain emphasizes that most patients have more than one contributing condition, and that pain itself, over time, changes how the nervous system processes signals, so the pain persists after the original trigger is treated.

The main causes

• Endometriosis: the most common gynecologic cause. Cyclical pain, painful periods, deep pain with sex, bowel and bladder symptoms around menstruation.
• Adenomyosis: heavy, painful periods and a tender, enlarged uterus.
• Pelvic floor muscle dysfunction: tight, tender pelvic floor muscles causing aching pain, pain with sex, constipation or urinary symptoms. Present in a large share of women with any chronic pelvic pain.
• Pelvic nerve pain, including pudendal neuralgia: burning, electric pain in the perineum, genitals or rectum, worse with sitting.
• Bladder pain syndrome (interstitial cystitis): bladder pressure and pain with urgency and frequency, negative urine cultures.
• Irritable bowel syndrome: cramping, bloating and altered bowel habit tied to meals and stress.
• Adhesions from previous surgery or infection, fibroids, ovarian cysts, pelvic congestion and musculoskeletal problems of the hip and sacroiliac joint.
• Vulvodynia and other causes of superficial pain at the vaginal entrance.

How a thorough evaluation works

A structured history covers every pelvic organ system and asks how each symptom relates to the menstrual cycle, to sitting, to sex, to bowel movements and to urination. The examination is systematic: the abdominal wall for trigger points, the pelvic floor muscles for tenderness and tightness, the vaginal walls and cervix, the uterus and the tissue behind it for nodules, and the pathways of the pudendal and other pelvic nerves. Imaging, usually transvaginal ultrasound and sometimes MRI, looks for endometriosis, adenomyosis and masses. Urine tests exclude infection.

The output of a good evaluation is usually a list, not a single diagnosis: for example, deep endometriosis plus pelvic floor hypertonicity plus bladder sensitivity. Each item gets its own part of the treatment plan.

Treatment is multidisciplinary

• Disease-specific treatment: hormonal therapy and surgery for endometriosis and adenomyosis, bladder-directed therapy for bladder pain syndrome, bowel management for IBS.
• Pelvic floor physical therapy: one of the most consistently helpful interventions across all causes, because muscle guarding develops with any persistent pelvic pain.
• Pain modulation: anti-inflammatory medication, neuropathic agents for nerve pain, and nerve blocks when a specific nerve is implicated.
• Addressing central sensitization: sleep, stress, movement and, where appropriate, psychological support, not because pain is "in the head" but because the nervous system amplifies it.
• Surgery when there is a structural target, by surgeons experienced in the specific disease.

Guides in this section

Pelvic nerve pain and pudendal neuralgia: burning pain in the perineum and genitals that is worse with sitting, and its relationship to endometriosis.

Pain during sex: superficial versus deep dyspareunia, their causes, and what helps.

Pelvic floor dysfunction: the muscular component of pelvic pain, its symptoms and the role of physical therapy.

For endometriosis itself, see the endometriosis guide, including painful periods or endometriosis, bladder symptoms, leg pain, and the bowel and back pain guides.

Tracking pelvic pain so it can be diagnosed

Daily tracking of pain location, intensity and triggers, together with cycle day, bowel and bladder symptoms and sexual pain, turns a vague complaint into a pattern. Pain that moves with the cycle points to endometriosis or adenomyosis; pain that follows sitting points to nerves or muscles; pain that follows meals points to the bowel. Most women have more than one pattern, and seeing them side by side is how the list of causes gets built.