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Anterior Compartment Prolapse

Anterior compartment pelvic organ prolapse is descent of the anterior vaginal wall, allowing the bladder and sometimes the urethra to approach or pass the hymen.[1][2] It is the most common form of pelvic organ prolapse; randomized anterior-repair trials showed more recurrent anterior prolapse at 1–2 years after native-tissue repair than after biological graft, with lower-certainty evidence of more recurrence than after permanent transvaginal mesh.[3]

Identifying a cystocele does not answer the operative question, which is whether the descent is driven by central fibromuscular attenuation, lateral detachment from the arcus tendineus fascia pelvis (ATFP), apical loss of Level I support, an enlarged levator hiatus, or a combination. Different drivers demand different repairs.

See also: POP Overview for the DeLancey framework, POP-Q staging, pessary management, and mesh-regulatory history. For operative options and comparative outcomes, see the Prolapse Repair atlas.

Definition and Terminology​

POP-Q uses point Ba — the most distal point on the anterior vaginal wall — rather than an organ-based label, because examination alone may not prove which organ is behind the epithelium.[1][5]

TermMeaningSurgical implication
Anterior vaginal wall prolapseDescent of the anterior vaginal wall on POP-QPreferred descriptive term
CystoceleBladder descent behind the anterior vaginal wallCommon shorthand; implies an organ assumption
UrethroceleDescent / hypermobility of the urethraEvaluate with urethral mobility and stress testing
CystourethroceleCombined bladder base and urethral descentOften coexists with SUI in mild-to-moderate prolapse
Central defectMidline attenuation of the pubocervical fibromuscular layerClassic anterior colporrhaphy target
Paravaginal (lateral) defectDetachment of anterior vaginal wall from the ATFPMay require lateral reattachment, not midline plication
Apical contributionDescent of the cervix or cuff that carries the anterior wall downAssess apical support; add suspension when apical descent is clinically significant[1][23]

After radical cystectomy, an anterior enterocele occupying the vesicovaginal space has been described as a rare cause of new anterior vaginal bulging in case reports and a case series.[19]

Compartment-Specific Pathophysiology​

Anterior wall integrity depends on all three DeLancey levels (see POP Overview), but the distinctive anterior-compartment finding is that anterior descent is rarely a pure failure of any one support. MRI-based 3D modeling shows that anterior wall descent follows a collinear triad of apical location, paravaginal location, and levator hiatus size, which together explain up to 83% of the variation in cystocele size on imaging.[4]

Types of anterior wall defect​

DefectClinical cluesRepair implication
Central / midlineSmooth central bulge; lateral sulci preservedAnterior colporrhaphy adequate if apex is supported
Suspected paravaginal / lateralLoss of a lateral sulcus or asymmetric descent raises suspicion; examination alone is inconsistent for diagnosisAssess apical and overall support; consider paravaginal repair when lateral detachment is convincing[2]
Apical contributionCervix or cuff descends with the anterior wall; Ba improves when the apex is reducedAssess whether apical descent is clinically significant and restore support when it is deficient[1]
Distal / urethroceleUrethral hypermobility, distal descent, gaping hiatusAddress urethral mobility; evaluate SUI
CombinedMost common clinical patternRepair must target the dominant failure, not just the visible bulge

Risk factors​

Generic POP risk factors apply (see parent). Distinctive for the anterior compartment:

  • Levator ani defect and an enlarged hiatus are among the strongest risk factors for primary prolapse (pooled OR 3.99 for levator defect); higher preoperative prolapse stage (pooled OR 2.68) and younger age predict recurrence after native-tissue repair[6]
  • Apical descent travels with the anterior wall: on dynamic MRI, apical support explained about half of the variation in bladder-base position (r = 0.73), and finite-element modeling produces a larger cystocele with apical than with paravaginal impairment[9][14]. Assess apical support before selecting an anterior repair.[1]

Clinical Presentation — Urinary Focus​

The anterior compartment is the one where urinary symptoms drive the conversation.

SymptomRelationship to anterior prolapse
Obstructive voiding (hesitancy, weak stream, intermittency, incomplete emptying)Urethral kinking against the levator hiatus; more common once prolapse passes the hymen
Elevated PVRAmong 184 women with POP in a 655-woman uroflowmetry cohort, 30% had PVR >100 mL.[22]
Stress urinary incontinenceCoexists with mild-to-moderate prolapse; may be masked by advanced prolapse (urethral kinking)
Occult (masked) SUILeakage appears only after prolapse is reduced; assess before surgery in women with significant anterior or apical prolapse.[1]
Urgency / OABCommon but variable
Recurrent UTIMeasure PVR; elevated residual urine is associated with recurrent UTI in women with POP[26]

Romanzi's urodynamic series (60 women): bladder outlet obstruction was found in 72% of those with grade 3–4 cystocele (18 of 25 women) versus 6% with grade 1–2 (2 of 35), and it normalized in 94% (17 of 18) after ring-pessary reduction.[7] Consider detrusor underactivity and other outlet causes when symptoms, reduction testing and PVR do not agree.

In a separate, smaller retrospective series of 24 women with anterior vaginal wall prolapse and urinary retention (PVR ≥100 mL) who had a preoperative pessary trial, pessary reduction predicted postoperative cure of retention (PVR <100 mL at 3 months) with 89% sensitivity, 80% specificity and a 79% overall cure rate (19 of 24).[20]

Compartment-Specific Evaluation​

Generic exam and adjunctive-testing framework lives in the parent article. The anterior-specific maneuvers:

  1. Split speculum (posterior blade retracts posterior wall) to isolate anterior descent.
  2. Valsalva or cough; if symptoms are not reproduced supine, examine standing.
  3. Apex-reduction test. Manually reduce the apex with ring forceps, swab, or speculum. If Ba improves with apical reduction, apical support contributes to anterior descent; assess the clinically relevant apical and residual anterior defects when planning repair.[1][23]
  4. Urethral mobility and cough stress test with prolapse reduced.
  5. Post-void residual. Measure in every patient with prolapse beyond the hymen or voiding symptoms.[1]

Occult SUI — the key pre-op decision point​

Women with significant anterior or apical prolapse should have a stress test with the prolapse reduced (pessary, ring forceps, speculum, or swab) before surgery.[1][15] In patients having both prolapse repair and SUI surgery, AUA/SUFU 2023 says clinicians may use a midurethral sling, pubovaginal sling, or Burch colposuspension .[15] For women without demonstrable SUI, it discusses prophylactic anti-incontinence surgery as a shared decision after counseling about benefit and added morbidity.[15] Repairing the prolapse relieves urethral kinking and can unmask SUI. Counseling points:

  • In women with occult SUI, a concomitant midurethral sling probably lowers postoperative SUI (RR 0.38; about 34% with prolapse surgery alone versus 10–22% with a sling) and further continence surgery.[8] Sling-related adverse effects remain poorly defined; EAU 2026 notes a tendency toward more voiding problems and more serious events (bladder perforation, urethral injury, tape exposure) with combined surgery. Delaying the sling and operating only if SUI persists is a reasonable alternative.[8][16]
  • In women without symptomatic or occult SUI, NICE NG123 advises against anti-incontinence surgery solely to prevent leakage, and EAU 2026 makes a Strong recommendation against adding it to abdominal prolapse surgery. AUA/SUFU 2023 permits consideration of a concomitant procedure after counseling about benefit and morbidity.[15][16][17]
  • The decision is driven by preoperative leakage severity with reduction, patient preference, and anatomy.

Compartment-Specific Surgical Management​

Generic POP surgical principles, sacrocolpopexy, colpocleisis, and FDA transvaginal-mesh history are covered in the parent article's Surgical Management section. What follows is anterior-specific.

Anterior colporrhaphy​

Plication of the anterior vaginal fibromuscular layer in the midline after vaginal-wall dissection.[1][3] ACOG and AUGS describe it as effective for most anterior prolapse; many women with anterior prolapse also have apical prolapse, and concurrent apical resupport reduces recurrent prolapse surgery.[1]

OutcomePattern
Composite success at 1 yearDepends on the threshold. In the Altman RCT, composite success (POP-Q stage 0–1 and no bulge symptoms) was 34.5% after colporrhaphy; more lenient definitions (for example, anterior wall above the hymen) give higher figures[11]
Versus biological graftAt 1–2 years, recurrent anterior prolapse is more likely after native repair (RR 1.53; illustrative absolute risks: if 21% recur after graft, 24–40% would recur after native repair); awareness of prolapse and repeat surgery do not differ significantly[3]
Subjective successTypically higher than anatomic — many women are not bothered by mild recurrence
MorbidityNative-tissue anterior repair has no transvaginal POP mesh exposure from the repair itself; anterior-colporrhaphy sutures can compromise a ureter. In a retrospective cystoscopy series of 526 mixed procedures, these sutures prompted seven intraoperative management changes (2.0% of anterior colporrhaphies).[24]
Failure patternRecurrent anterior descent; reassess apical, lateral and hiatal support[28]

Paravaginal repair​

Reattaches the lateral anterior vaginal wall to the ATFP by a vaginal, abdominal, laparoscopic, or robotic route. In one small RCT (70 women), abdominal paravaginal repair and anterior colporrhaphy with absorbable mesh had similar 2-year objective failure (40% versus 32%, not significant), with most failures asymptomatic.[10] Physical examination detects paravaginal defects inconsistently; ultrasound and MRI help, and pure lateral defects without a central component are uncommon.[2] Paravaginal repair is most defensible when lateral sulcal detachment is convincing, the central defect is not dominant, apical support is also restored, and the surgeon has specific experience with the technique.

Apical suspension — not optional​

In a 30-case/30-control MRI study, apical location was associated with cystocele size; restore apical support when a clinically significant defect contributes to anterior descent. Options include uterosacral ligament suspension, sacrospinous ligament fixation, sacrocolpopexy and uterine-sparing hysteropexy, as discussed in the parent article and Apical Prolapse.[1][4] In the OPTIMAL trial of 374 women randomized to vaginal apical repair, all but three received a midurethral sling; corrected 2-year composite prolapse success was 64.5% (100/155) after uterosacral suspension and 63.1% (94/149) after sacrospinous fixation, with no significant difference.[18]

Transvaginal mesh — anterior-specific context​

The April 2026 Cochrane update (41 RCTs, 4,531 women) finds that, at 1–2 years, native-tissue anterior repair probably leads to more prolapse awareness (RR 1.77), repeat prolapse surgery (RR 2.17) and, with lower certainty, recurrence (RR 3.21) than permanent transvaginal mesh, with little or no difference in SUI surgery or dyspareunia. The authors advise caution with the mesh kits still marketed elsewhere,[3] and NICE NG123 recommends anterior repair without mesh.[17] Compare mesh complications, sexual symptoms and repeat surgery as separate outcomes.[3]

In the Altman 2011 NEJM RCT, transvaginal permanent mesh improved anterior anatomic success (POP-Q stage 0–1: 82.3% versus 47.5%) and composite success (anatomic success plus no bulge symptoms: 60.8% versus 34.5%) at 1 year compared with native tissue, but had more bladder perforation (3.5% versus 0.5%), new SUI (12.3% versus 6.3%), mesh-exposure reintervention (6/186, 3.2%), and longer operations with more bleeding.[11] The April 2019 FDA order required manufacturers to stop selling and distributing mesh intended for transvaginal POP repair (including anterior-wall products) and applies to this product category; it does not apply to midurethral slings or to abdominal sacrocolpopexy mesh. See the parent article for the full regulatory timeline.

Severe cystourethrocele​

For grade IV cystourethrocele with SUI, assess anterior and apical support and the continence mechanism before deciding which repairs to combine.[1][12] Raz's classic vaginal series (51 women with grade IV cystocele) paired anterior colporrhaphy for the central defect with needle suspension of the bladder base and neck for the paravaginal herniation, and 46 of 51 needed both regardless of preoperative SUI; apical and other vaginal defects were repaired at the same operation.[12] In an observational cohort of 148 women having pelvic reconstructive surgery for a cystocele reaching or beyond the hymen, a concomitant suburethral sling was associated with less cystocele recurrence at 1 year (19% versus 42% without a sling; adjusted OR 0.29); retropubic urethropexy and needle suspension did not show the same association.[21]

Outcomes and Follow-Up​

Anterior-specific post-op priorities:

  • Voiding function. Assess voiding before discharge after prolapse or concomitant incontinence surgery; repeat PVR at follow-up when preoperative retention, advanced prolapse, or a concurrent sling raises risk.[25]
  • Postoperative SUI. For women with occult SUI undergoing vaginal prolapse repair, the 2026 Cochrane review estimates postoperative subjective SUI in about 34% after prolapse surgery alone.[8]
  • Recurrent UTI. Confirm recurrence with urine culture and assess PVR; persistent infection warrants evaluation for other causes.[26][27]
  • Anatomic surveillance. Record Aa, Ba, C/D and gh; reassess apical, lateral and hiatal support when anterior descent recurs

In a prospective series of 74 women with stage II or greater anterior prolapse, 61/74 (82%) reported marked LUTS improvement at 6 months after surgery; 41/74 also had an anti-incontinence procedure.[13] Detrusor underactivity accompanied persistent voiding symptoms, and preoperative detrusor overactivity and PVR were poor predictors of outcome, so persistent urgency or voiding symptoms may need separate evaluation and management.[13]

Key Recommendations​

  • Describe the defect in POP-Q language (Ba), and not only as "cystocele."
  • Classify the defect as central, lateral, apical-driven, distal, or combined. Most are combined.
  • Reduce the apex on exam. If Ba improves, apical support contributes to anterior descent; restore apical support when the apical defect is clinically significant.[1]
  • Measure PVR if prolapse extends beyond the hymen or voiding symptoms exist.
  • Evaluate occult SUI with prolapse reduction before any repair.
  • Avoid isolated anterior repair when the apex is significantly descended; restore apical support at the same operation.
  • Offer pessary and pelvic-floor therapy first where appropriate (see parent).
  • Do not use transvaginal mesh as routine primary anterior repair.

See Also​

Videos​

Cystocele Repair: Anterior Colporrhaphy Step by Step
Dr Deeksha Pandey (2022)

References​

1. Committee on Practice Bulletins—Gynecology and American Urogynecologic Society. "Pelvic Organ Prolapse: ACOG Practice Bulletin, Number 214." Obstet Gynecol. 2019;134(5):e126-e142. doi:10.1097/AOG.0000000000003519

2. Arenholt LTS, Pedersen BG, Glavind K, Glavind-Kristensen M, DeLancey JOL. "Paravaginal Defect: Anatomy, Clinical Findings, and Imaging." Int Urogynecol J. 2017;28(5):661-673. doi:10.1007/s00192-016-3096-3

3. Christmann-Schmid C, Baessler K, Yeung E, et al. "Surgery for women with anterior compartment prolapse." Cochrane Database Syst Rev. 2026;4:CD004014. doi:10.1002/14651858.CD004014.pub7

4. Chen L, Lisse S, Larson K, et al. "Structural Failure Sites in Anterior Vaginal Wall Prolapse: Identification of a Collinear Triad." Obstet Gynecol. 2016;128(4):853-862. doi:10.1097/AOG.0000000000001652

5. Bump RC, Mattiasson A, Bo K, et al. "The Standardization of Terminology of Female Pelvic Organ Prolapse and Pelvic Floor Dysfunction." Am J Obstet Gynecol. 1996;175(1):10-17. doi:10.1016/s0002-9378(96)70243-0. PMID:8694033

6. Schulten SFM, Claas-Quax MJ, Weemhoff M, et al. "Risk Factors for Primary POP and Prolapse Recurrence: An Updated Systematic Review and Meta-Analysis." Am J Obstet Gynecol. 2022;227(2):192-208. doi:10.1016/j.ajog.2022.04.046

7. Romanzi LJ, Chaikin DC, Blaivas JG. "The Effect of Genital Prolapse on Voiding." J Urol. 1999;161(2):581-586. doi:10.1016/s0022-5347(01)61957-8. PMID:9915453

8. Baessler K, Christmann-Schmid C, Haya N, et al. "Surgery for women with pelvic organ prolapse with or without stress urinary incontinence." Cochrane Database Syst Rev. 2026;2(2):CD013108. doi:10.1002/14651858.CD013108.pub2

9. Chen L, Ashton-Miller JA, DeLancey JOL. "A 3D Finite Element Model of Anterior Vaginal Wall Support to Evaluate Mechanisms Underlying Cystocele Formation." J Biomech. 2009;42(10):1371-1377. doi:10.1016/j.jbiomech.2009.04.043

10. Minassian VA, Parekh M, Poplawsky D, Gorman J, Litzy L. "Randomized controlled trial comparing two procedures for anterior vaginal wall prolapse." Neurourol Urodyn. 2014;33(1):72-77. doi:10.1002/nau.22396

11. Altman D, Väyrynen T, Engh ME, et al. "Anterior Colporrhaphy versus Transvaginal Mesh for Pelvic-Organ Prolapse." N Engl J Med. 2011;364(19):1826-1836. doi:10.1056/NEJMoa1009521

12. Raz S, Little NA, Juma S, Sussman EM. "Repair of Severe Anterior Vaginal Wall Prolapse (Grade IV Cystourethrocele)." J Urol. 1991;146(4):988-992. doi:10.1016/S0022-5347(17)37983-1

13. Tawfeek AM, Osman T, Gad HH, et al. "Clinical and Urodynamic Findings Before and After Surgical Repair of Pelvic Organ Prolapse in Women With Lower Urinary Tract Symptoms." Urology. 2022;167:90-95. doi:10.1016/j.urology.2022.06.001

14. Summers A, Winkel LA, Hussain HK, DeLancey JOL. "The Relationship Between Anterior and Apical Compartment Support." Am J Obstet Gynecol. 2006;194(5):1438-1443. doi:10.1016/j.ajog.2006.01.057

15. Kobashi KC, Vasavada S, Bloschichak A, et al. "Updates to Surgical Treatment of Female Stress Urinary Incontinence (SUI): AUA/SUFU Guideline (2023)." J Urol. 2023;209(6):1091-1098. doi:10.1097/JU.0000000000003435

16. European Association of Urology. "EAU Guidelines on Non-Neurogenic Female LUTS." 2026. Section 4.7.4, pelvic organ prolapse surgery and stress urinary incontinence.

17. National Institute for Health and Care Excellence. "Urinary incontinence and pelvic organ prolapse in women: management." NICE guideline NG123. 2019 (recommendations 1.8.3, 1.8.20, 1.9.1).

18. Barber MD, Brubaker L, Burgio KL, et al. "Comparison of 2 Transvaginal Surgical Approaches and Perioperative Behavioral Therapy for Apical Vaginal Prolapse: The OPTIMAL Randomized Trial." JAMA. 2014;311(10):1023-1034. doi:10.1001/jama.2014.1719

19. Cruz AP, Chelluri R, Ramchandani P, Guzzo TJ, Smith AL. "Post-Cystectomy Enterocele: A Case Series and Review of the Literature." Urology. 2021;150:180-187. doi:10.1016/j.urology.2020.03.063

20. Lazarou G, Scotti RJ, Mikhail MS, Zhou HS, Powers K. "Pessary Reduction and Postoperative Cure of Retention in Women with Anterior Vaginal Wall Prolapse." Int Urogynecol J Pelvic Floor Dysfunct. 2004;15(3):175-178. doi:10.1007/s00192-004-1138-8

21. Goldberg RP, Koduri S, Lobel RW, et al. "Protective Effect of Suburethral Slings on Postoperative Cystocele Recurrence after Reconstructive Pelvic Operation." Am J Obstet Gynecol. 2001;185(6):1307-1313. doi:10.1067/mob.2001.119080

22. Coates KW, Harris RL, Cundiff GW, Bump RC. "Uroflowmetry in women with urinary incontinence and pelvic organ prolapse." Br J Urol. 1997;80(2):217-221. doi:10.1046/j.1464-410x.1997.00246.x

23. Lowder JL, Park AJ, Ellison R, et al. "The role of apical vaginal support in the appearance of anterior and posterior vaginal prolapse." Obstet Gynecol. 2008;111(1):152-157. doi:10.1097/01.AOG.0000297309.25091.a0

24. Kwon CH, Goldberg RP, Koduri S, Sand PK. "The use of intraoperative cystoscopy in major vaginal and urogynecologic surgeries." Am J Obstet Gynecol. 2002;187(6):1466-1471. doi:10.1067/mob.2002.129157

25. Geller EJ. "Prevention and management of postoperative urinary retention after urogynecologic surgery." Int J Womens Health. 2014;6:829-838. doi:10.2147/IJWH.S55383

26. Töz E, Kurt S, Şahin Ç, Canda MT. "Frequency of recurrent urinary tract infection in patients with pelvic organ prolapse." Res Rep Urol. 2015;7:9-12. doi:10.2147/RRU.S77061

27. Jung CE, Chen LH, Brubaker LT, Menefee SA. "Urinary Tract Infections After Urogynecologic Surgery: Risk Factors, Timeline, and Uropathogens." Urogynecology (Phila). 2023;29(7):632-640. doi:10.1097/SPV.0000000000001317

28. Chen L, Schmidt P, DeLancey JOL, Swenson CW. "Analysis of long-term structural failure after native tissue prolapse surgery: a 3D stress MRI-based study." Int Urogynecol J. 2022;33(10):2761-2772. doi:10.1007/s00192-021-04925-5