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OverviewAetiologyPathophysiologyClinical features and red flagsInvestigationsDifferential diagnosisManagementComplicationsMonitoring and follow-upSpecial situationsCommon pitfallsQuestionsSources
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Educational draft · awaiting clinical reviewThe full textbook explains uncertainty but does not replace live national or local guidance, specialist advice, or current prescribing information.

Pelvic-organ prolapse assessment

Obstetrics and gynaecology · UK scope · Sources checked 27 Aug 2026 · Clinical review pending

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Irreducible prolapse with tissue or urinary compromise

An acutely painful irreducible prolapse, brisk bleeding, ulceration with systemic infection, urinary retention, obstructive renal injury or a suspicious pelvic or vaginal mass needs prompt specialist assessment rather than routine pessary review.

Action: Assess observations, pain, bleeding, exposed tissue, abdomen, urine output and bladder residual; protect prolapsed tissue with gentle moist care, avoid forceful reduction, treat sepsis or retention urgently and obtain same-day gynaecology or urology review when compromise is suspected.

Overview

Assess pelvic-organ descent with symptom-led, consented examination; describe compartments and severity reproducibly; and identify bladder, bowel, tissue and malignancy features that alter management.

Pelvic-organ prolapse occurs when pelvic support allows the vaginal walls, uterus or vault to descend. Anterior prolapse involves bladder and sometimes urethral support; posterior prolapse may involve rectum or small bowel; apical prolapse affects the uterus or post-hysterectomy vaginal vault. More than one compartment commonly descends. The anatomical finding is not automatically a disease requiring treatment: management is driven by symptoms, function and preference.

The characteristic symptom is a vaginal bulge or sensation of something coming down, often worse after standing, lifting or later in the day and improved when lying down. Pressure and dragging are common. Ask whether tissue protrudes, requires manual reduction or rubs and bleeds. Pain should not be assumed to arise from prolapse, especially if severe or disproportionate; pelvic pain, postmenopausal bleeding and a mass need their own differential.

Practice

Two practice questions

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Obstetrics and gynaecologyOriginal SBA

Symptoms not reproduced supine

A woman describes a vaginal bulge that appears after a full day standing, but maximal strain during a supine examination does not reproduce it. What is the best next assessment step?

Choose one answer, then submit
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Sources and review status4 sources · checked 27 Aug 2026 · clinical review pending+
Sources

Sources and review status

National guidance is shown before implementation-dependent detail. Apply principles in context and verify current guidance when a decision affects care. Source check completed 27 Aug 2026; clinical approval remains outstanding.

  • NICE NG123 pelvic-organ prolapse assessment
  • RCOG pelvic-organ prolapse patient information
  • NHS pelvic-organ prolapse
  • NHS urinary incontinence diagnosis

Editorial contact: Doctor’s Passport editorial team. Source-check date is separate from clinical approval. Report a content problem · Content changes

Authoring stateComplete draftClinical stateAwaiting reviewJurisdictionUnited Kingdom
Bladder symptoms include stress or urgency leakage, frequency, recurrent infection, slow flow and incomplete emptying. Prolapse can kink the urethra and conceal stress leakage, which may appear after reduction or repair. Posterior symptoms include incomplete defecation, a need to press on the posterior vaginal wall or perineum, constipation and faecal incontinence. Ask sensitively about penetrative sex, altered sensation, pain and the person's future fertility or uterine preferences.

History includes pregnancy and birth, perineal trauma, menopause, hysterectomy or pelvic surgery, chronic cough, constipation and straining, heavy physical loading, BMI, connective-tissue disorders and neurological disease. Review cervical screening and bleeding. Clarify previous pessaries or operations and whether mesh was used. Avoid framing childbirth, weight or work as blame; these are risk factors within a multifactorial support system.

Examination is explained in advance, consented step by step and stopped on request. Assess external tissue and vaginal epithelium, then use a split or single-blade speculum to isolate anterior and posterior walls while the person performs maximal Valsalva or cough. Assess apical support, cervix or vault, uterine or adnexal mass and pelvic-floor contraction. If the reported bulge is not reproduced supine, NICE advises repeating in a standing or squatting position, at another time or under conditions that reproduce symptoms.

Use a reproducible staging system. POP-Q measures defined vaginal points relative to the hymen during maximal strain: negative measurements lie above and positive measurements beyond it. Stage 1 remains more than 1 cm above the hymen; stage 2 lies within 1 cm either side; stage 3 extends more than 1 cm beyond without complete eversion; stage 4 is essentially complete eversion. Record the leading compartment and symptoms, not stage alone.

Investigations answer associated questions. Urinalysis follows the incontinence pathway. Bladder scan is used for voiding dysfunction or recurrent UTI. Urodynamics before stress-incontinence surgery is indicated when anterior or apical prolapse exists because reduction and surgery can alter function. Imaging is not routine for an otherwise clear clinical prolapse but is appropriate for a pelvic mass, hydronephrosis, uncertain anatomy or another specific concern.

Explain the full choice at the assessment visit. No treatment is reasonable for minimal bother. Lifestyle care addresses constipation, cough, weight and avoidable heavy lifting. Supervised PFMT for at least 16 weeks is an option for symptomatic stage 1 or 2 prolapse. Pessary offers reversible support, and surgery is considered when symptoms remain unacceptable or conservative options are declined. Reproductive plans and willingness for future vaginal intercourse materially affect the surgical conversation.

Key points

  • Pelvic-organ prolapse is descent of one or more vaginal compartments: anterior wall, posterior wall, uterus or post-hysterectomy vaginal vault.
  • Treat symptoms and goals, not anatomy alone; mild prolapse is often asymptomatic and observation is a valid option.
  • Ask about bulge, dragging, urinary storage and emptying, bowel evacuation and splinting, sexual function, bleeding, pain and impact on activity.
  • Examine with consent and a chaperone, using a speculum to assess each compartment during maximal strain and recording a reproducible POP-Q description where possible.
  • If symptoms are not explained by a supine examination, repeat while standing or squatting, at another time or after appropriate bladder filling.
  • Assess vaginal tissue, cervix, pelvic-floor contraction and pelvic masses; perform rectal examination only when posterior-compartment or bowel findings warrant it.
  • Urinalysis is routine when incontinence coexists; residual volume is measured for voiding symptoms or recurrent UTI, and imaging or urodynamics is selective.
  • Discuss observation, lifestyle measures, vaginal oestrogen for menopausal genitourinary symptoms, supervised PFMT, pessary and surgery according to bother and preference.

Aetiology

01

Obstetric loading

Pregnancy, vaginal birth, levator injury and perineal trauma can progressively stretch muscular, fascial and neural support over time.

02

Connective-tissue and ageing effects

Inherited connective-tissue properties, menopause and ageing alter ligament, fascia and muscle resilience under repeated gravitational and abdominal loading.

03

Chronic pressure and surgery

Constipation, cough, heavy loading, higher weight and hysterectomy or other pelvic surgery can contribute to support failure.

Pathophysiology

  1. 1
    Fascial support fails

    Loss of anterior or posterior connective-tissue attachment allows bladder, urethra, rectum or small bowel to bulge into the vaginal wall.

  2. 2
    Apical suspension descends

    Uterosacral and cardinal support failure lowers the uterus or vaginal vault and can worsen adjacent compartment defects.

  3. 3
    Outlet geometry changes

    Descent can kink the urethra or alter the anorectal-vaginal interface, causing emptying symptoms or masking stress leakage.

Clinical features and red flags

Anterior compartment

The front vaginal wall descends, sometimes with urethral involvement, and may coexist with stress leakage, poor emptying or recurrent UTI.

Posterior compartment

The back vaginal wall bulges and may accompany incomplete defecation or vaginal/perineal splinting, although constipation has multiple causes.

Uterine prolapse

The cervix and uterus descend toward or beyond the hymen, often producing a central bulge and pressure.

Vault prolapse

After hysterectomy, the vaginal apex descends; anterior or posterior defects commonly accompany the apical loss of support.

Occult stress leakage

Advanced prolapse can obstruct or kink the urethra, so stress leakage may be absent until the prolapse is reduced or repaired.

Red flags requiring action

  • Painful non-reducible prolapse, dusky or ulcerated tissue, heavy bleeding or fever requires urgent gynaecological assessment.
  • Inability to void, hydronephrosis, renal impairment or recurrent infection with significant prolapse indicates clinically important obstruction.
  • Postmenopausal bleeding, contact bleeding, an irregular mass, unexplained weight loss or abnormal cervix needs the appropriate suspected-cancer pathway.
  • Faecal incontinence, rectal bleeding, severe obstructed defecation or a suspected rectovaginal fistula requires bowel and colorectal assessment.

Investigations

  1. 01
    Compartmental pelvic examinationFirst step
    Why
    Confirm prolapse, identify the leading edge, assess tissue and exclude an obvious mass or cervical lesion.
    Interpretation and limitations
    Describe anterior, posterior and apical support separately during maximal strain; repeat in a symptom-provoking position if the first examination is discordant.
  2. 02
    POP-Q measurement
    Why
    Provide reproducible distances from the hymen and a stage for baseline, referral and postoperative comparison.
    Interpretation and limitations
    Stage aids communication but correlates imperfectly with bother; the person's bulge and functional symptoms remain central.
  3. 03
    Urinalysis and post-void residual
    Why
    Assess infection markers and emptying when urinary symptoms or recurrent UTI coexist.
    Interpretation and limitations
    A persistent residual modifies pessary and surgical planning; haematuria or infection requires its own pathway.
  4. 04
    Prolapse-reduction stress assessment
    Why
    Explore stress leakage hidden by a large prolapse when the result would affect counselling or surgery.
    Interpretation and limitations
    Leakage after reduction suggests postoperative stress-incontinence risk, but test conditions and urodynamic indications are considered.
  5. 05

Differential diagnosis

01

Vaginal or cervical mass

A cyst, polyp or tumour can present as a lump and requires direct inspection and pathology-led assessment.

02

Urethral diverticulum

An anterior periurethral mass with pain, discharge or urinary symptoms differs from diffuse anterior wall descent.

03

Pelvic-floor muscle disorder

High-tone pelvic-floor dysfunction can cause pressure, pain, urinary difficulty and obstructed defecation without major anatomical vaginal prolapse.

04

Rectal prolapse

Tissue protruding through the anus and associated internal rectal dysfunction needs anorectal assessment rather than vaginal-compartment classification alone.

Management

01Symptom assessmentDefine bother across compartmentsFirst stepA person reports a vaginal bulge, pressure or related bladder or bowel symptoms.+
  1. 1Ask about protrusion, reducibility, urinary storage and emptying, bowel evacuation and splinting, sex, bleeding, pain and daily impact.
  2. 2Review childbirth, menopause, pelvic surgery or mesh, cough, constipation, physical load, connective tissue and reproductive plans.
  3. 3Identify urgent tissue, urinary, bowel, neurological or suspected-cancer features before arranging routine examination.
02ExaminationDescribe anatomy reproduciblyThe person consents to pelvic assessment.+
  1. 1Inspect tissue and use compartmental speculum examination during maximal strain, assessing cervix or vault, masses and pelvic-floor contraction.
  2. 2Record POP-Q points or an equally clear compartment-and-leading-edge description relative to the hymen.

Complications

01

Exposure and ulceration

Prolapse beyond the introitus can rub, dry, bleed and ulcerate vulnerable vaginal tissue, occasionally becoming infected or incarcerated.

02

Urinary obstruction

Advanced descent can kink the outlet and impair emptying, promoting recurrent urinary infection, hydronephrosis and renal dysfunction.

03

Bowel dysfunction

Posterior support loss may contribute to incomplete evacuation, vaginal splinting, straining, discomfort and substantially reduced quality of life.

04

Sexual and psychological impact

Bulge, altered sensation, pain and body-image concerns can affect intimacy and wellbeing independent of anatomical stage.

Monitoring and follow-up

  • Track bulge, pressure, urinary emptying, bowel symptoms, sexual function and valued activity rather than stage alone.
  • Re-examine when symptoms progress, bleeding develops, a pessary is fitted or surgery is planned; avoid routine intimate examination without a clinical purpose.
  • Measure residual and review infection or renal consequences when voiding symptoms or advanced prolapse persist.
  • Review vaginal tissue and menopausal genitourinary symptoms, including response and contraindications to local oestrogen where prescribed.
  • Revisit fertility, uterine preservation and preference for penetrative vaginal sex before any irreversible surgical decision.

Special situations

The hymen is the reference

POP-Q uses the hymenal plane because symptoms often increase as the leading edge approaches or passes it, though individual bother varies.

Position can reveal the diagnosis

A prolapse that appears late in the day may reduce while supine; standing or squatting assessment respects that dynamic physiology.

Compartments travel together

A visible anterior bulge may depend on apical support, so assessing only the leading wall can misdirect treatment.

Bowel symptoms are not automatically rectocele

Constipation, pelvic-floor dyssynergia and colorectal disease can coexist and require independent assessment.

Anatomy is not an obligation

An asymptomatic stage of prolapse does not require correction; observation with a route back is active care.

Common pitfalls

  1. 01

    Treating the POP-Q stage rather than asking whether the prolapse is actually bothersome.

  2. 02

    Dismissing a bulge because it is not visible during one supine morning examination.

  3. 03

    Examining only the anterior wall and missing apical or posterior support loss.

  4. 04

    Attributing severe pain or postmenopausal bleeding to benign prolapse without investigating other causes.

  5. 05

    Ignoring incomplete emptying, recurrent infection or occult stress-incontinence risk in advanced prolapse.

  6. 06

    Discussing surgery before asking about uterine preference, future pregnancy and penetrative sexual goals.

  • New neurological deficit, saddle sensory change or acute bladder and bowel dysfunction should not be attributed to prolapse.
    • Targeted imaging or bowel assessment
    Why
    Investigate a pelvic mass, hydronephrosis, uncertain anatomy or significant bowel disorder rather than routine prolapse.
    Interpretation and limitations
    Imaging supplements, not replaces, a consented pelvic examination and compartmental description.
  • 3If findings do not explain symptoms, repeat standing, squatting, at another time or with appropriate bladder conditions rather than dismissing the report.
    • 03Initial planMatch treatment to symptoms and goalsProlapse has been characterised and urgent pathology excluded.+
    1. 1Explain no treatment, lifestyle measures, vaginal oestrogen for menopausal genitourinary symptoms and supervised PFMT for appropriate stage 1 or 2 prolapse.
    2. 2Offer pessary alone or with PFMT when reversible support is wanted, explaining fitting, maintenance, sexual implications and complications.
    3. 3Refer for surgical shared decision making when symptoms remain unacceptable, conservative care is declined, obstruction exists or anatomy and fertility make treatment complex.