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Updated: Jan 31, 2026

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse POP Quantification System
Published on: September 20, 2018
How to use the Pelvic Organ Prolapse Quantification (POP-Q) system?
Chendrimada Madhu1, Steven Swift2, Sophie Moloney-Geany1
1Department of Women's Health and Bristol Urological Institute, Southmead Hospital, Bristol, UK.
The Pelvic Organ Prolapse Quantification (POP-Q) system provides a standardized method for describing pelvic organ prolapse (POP). This system aids in clinical practice and research by detailing prolapse extent and location.
Area of Science:
- Urogynecology
- Female Pelvic Medicine
Background:
- Pelvic organ prolapse (POP) affects many women.
- Accurate quantification is essential for diagnosis and treatment.
Purpose of the Study:
- To describe the Pelvic Organ Prolapse Quantification (POP-Q) system.
- To outline the methodology for using the POP-Q system.
Main Methods:
- Utilizes six defined vaginal points (Aa, Ba, Ap, Bp, C, D) relative to the hymenal ring.
- Involves patient straining to maximize prolapse extent.
- Includes measurements of genital hiatus, perineal body, and total vaginal length.
Main Results:
- The POP-Q system systematically quantifies prolapse severity.
- Staging is based on the lowest point of prolapse, with stage 2 often indicating symptomatic prolapse.
- Detailed measurements provide a comprehensive description of POP.
Conclusions:
- The POP-Q system offers a standardized and detailed method for POP description.
- It is highly beneficial for both clinical practice and research applications.
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