How prolapse is staged
Pelvic organ prolapse is staged by how far the dropped organ has moved toward or past the vaginal opening. Most specialists now use the Pelvic Organ Prolapse Quantification system, usually shortened to POP-Q. It was adopted in 1996 by three professional societies covering continence, urogynecology and gynecologic surgery.
POP-Q measures fixed points on the front wall, back wall and upper vagina in centimeters, using the hymen as the zero line. A point above the hymen gets a negative number. A point past the hymen gets a positive number. The measurements are taken while you strain, because prolapse that is hidden at rest often shows on straining. The worst point gives the overall stage, from 0 to 4.
An older system, Baden-Walker, grades prolapse from 0 to 4 by eye, using the halfway point of the vagina and the hymen as landmarks. Some doctors still describe prolapse this way in conversation, which is one reason two doctors can give you different numbers. Other reasons are normal: how hard you strained, whether you were lying or standing, and the time of day. Prolapse is often more pronounced in the evening or after a long walk.
The stage also does not say which organ has dropped. A stage 3 cystocele (bladder), a stage 3 rectocele (rectum) and a stage 3 uterine prolapse are different problems that share a number. Treatment follows the compartment as much as the stage.
Stage 1 and stage 2
In POP-Q, stage 1 means the lowest point of the prolapse is still more than 1 cm above the hymen. Stage 2 means the lowest point is within 1 cm of the hymen, either just inside or just outside the opening. Together these are usually called mild to moderate prolapse.
Some descent on straining is common in women who have given birth, and many women at stage 1 have no symptoms. At stage 2, symptoms become more common: a feeling of heaviness or a bulge, pressure that builds through the day, or a sensation that something is sitting at the opening. Bladder or bowel symptoms may or may not be present.
If you have been told stage 2 and have few or no symptoms, guidelines do not treat the number itself as a reason to operate. The NICE guideline frames the decision around symptoms and how much they affect you. Many women at this stage are followed without treatment, or start with pelvic floor muscle training. The guide on pelvic floor exercises or surgery covers when exercises are enough and when they are not.
Stage 3
Stage 3 means the lowest point of the prolapse is more than 1 cm past the hymen, but the vagina has not turned fully inside out. In plain terms, part of the bulge is outside the body when you strain or stand for long, and often when you are simply on your feet.
This is often the stage at which treatment is discussed, for practical reasons. A bulge that sits outside can rub and become sore. A stage 3 cystocele can kink the urethra, so some women notice a slow stream, need to push the bulge back to empty, or get repeated urinary infections. A stage 3 rectocele can make bowel emptying incomplete. A stage 3 uterine prolapse often brings a dragging sensation and low back ache by evening.
Stage 3 does not by itself mean you must have surgery. A pessary, a removable silicone support fitted inside the vagina, is a standard option at this stage and can be used for years. Pelvic floor muscle training is less likely to reduce a stage 3 bulge on its own, though it can still help symptoms and is often advised alongside other treatment. Surgery is usually considered when symptoms are affecting daily life and a pessary is not wanted, not tolerated or has stopped working.
If you have stage 3 prolapse and are considering surgery, the next step is to know which compartment is involved. The procedure pages explain the repair for each one: bladder prolapse (cystocele) repair, rectocele repair and uterine prolapse surgery.
Stage 4
Stage 4 is complete eversion. The full length of the vagina, and the uterus if it is still present, has turned outward. In older texts this is called procidentia. The exposed tissue can become dry, thickened or ulcerated, and bladder emptying can be obstructed.
At stage 4, doing nothing is rarely chosen because of the skin and bladder problems that follow. The realistic choices are a pessary, which can still be fitted in many cases, or surgery. Women who are not fit for an operation are often managed with a pessary and local estrogen. Surgery at this stage almost always needs to restore the upper support of the vagina, because the whole structure has lost its anchor.
Does prolapse get worse over time?
Many women ask whether stage 2 will become stage 3 if they wait. It varies. Prolapse does not need to be treated on a deadline. The NHS describes it as a condition that is not life threatening, and watchful waiting is an accepted option when symptoms are mild.
Over years, some prolapses progress, some stay the same, and mild ones can become less noticeable, particularly in the months after childbirth as tissues recover. Factors associated with worsening include further vaginal births, chronic constipation and straining, heavy lifting, a persistent cough and weight gain. Menopause also matters because the supporting tissue thins as estrogen falls.
If your prolapse was stage 2 at one check and stage 3 at the next, tell your surgeon. A recent change is useful information for planning.
Treatment by stage
Guidelines organize treatment around symptoms, stage and your preferences rather than a fixed rule, but a general pattern is visible across them.
For symptomatic stage 1 and stage 2 prolapse, NICE recommends considering a program of supervised pelvic floor muscle training for at least 16 weeks as a first option. Lifestyle changes, such as treating constipation and avoiding heavy lifting, are advised at every stage. Vaginal estrogen may be suggested for women after menopause who have signs of thinning tissue.
A vaginal pessary can be offered at any stage where there are symptoms. It is the main non-surgical treatment for stage 3 and stage 4. Some doctors also use a short pessary trial to check that the prolapse is the cause of your symptoms before planning surgery.
Surgery is considered when symptoms are affecting your life and non-surgical options have not helped or are not wanted. The operation depends on the compartment, and the pages on cystocele repair, rectocele repair and uterine prolapse surgery options describe each one. Some surgeons add synthetic mesh. In 2019 the FDA ordered manufacturers to stop selling transvaginal mesh for anterior prolapse repair in the United States; mesh placed through the abdomen, as in sacrocolpopexy, was not covered by that order. The guide on cystocele repair with or without mesh explains what changed.
Pelvic ligament suspension, developed by the clinic's medical director, is a repair that uses the patient's own ligaments and sutures, without synthetic mesh. It is used for stress urinary incontinence, cystocele, rectocele and uterine prolapse. Whether it suits your stage and compartment is decided at consultation. You can read how it works on the page about prolapse surgery without mesh in Korea.
Staging at Podo and what to send before you travel
The stage you were given at home is a useful starting point, but any surgeon will restage you in person before recommending anything, because stage changes with position, effort and time. At Podo, the examination includes vaginal endoscopy imaging to look at the vaginal wall before treatment, and two ultrasound units are used for pelvic assessment. Medical records and receipts are issued in English on request. Whether a formal POP-Q score is recorded is confirmed at consultation.
If you are abroad and want an opinion before booking travel, send what you have: the stage or grade your doctor recorded and the system used if you know it, which organ was involved, any ultrasound or MRI report, whether you have tried a pessary or pelvic floor training, and your main symptoms with their duration. Consultations are available in English. The how-to-book page lists the practical steps.
Results and recovery vary from person to person. This page is general information and is not a diagnosis; a consultation is needed to decide whether a procedure suits you.
Questions
Is stage 3 prolapse serious?
Stage 3 means part of the prolapse is outside the vaginal opening when you strain or stand. It is not dangerous in itself, but it usually causes symptoms that affect daily life, and it is often the stage at which treatment is discussed.
Does stage 3 prolapse always need surgery?
No. A pessary is a standard option at stage 3 and can be used long term. Surgery is usually considered when symptoms are affecting your life and a pessary is not wanted, not tolerated or no longer works.
Can stage 2 prolapse be treated without surgery?
Usually, yes. Guidelines suggest supervised pelvic floor muscle training for at least 16 weeks as a first option for symptomatic stage 1 and 2 prolapse, along with lifestyle changes. A pessary is another option if symptoms persist.
Why did two doctors give me different stages?
They may have used different systems (POP-Q or Baden-Walker), examined you in different positions, or examined you at different times of day. Prolapse is often more pronounced in the evening or after being on your feet.
What is a stage 3 prolapsed bladder?
It is a cystocele in which the front vaginal wall, with the bladder behind it, descends more than 1 cm past the hymen. It can slow your urine stream or make emptying incomplete. The cystocele repair page explains the operation.
Will my prolapse get worse if I wait?
It varies. Some prolapses progress over years, some stay stable, and mild ones can improve, especially after childbirth. Repeated straining, heavy lifting, chronic cough and further vaginal births are associated with worsening.
Sources
- Persu C et al. Pelvic Organ Prolapse Quantification System (POP-Q): a new era in pelvic prolapse staging. J Med Life 2011 (PMC)
- NICE guideline NG123: urinary incontinence and pelvic organ prolapse in women, recommendations
- NHS: Pelvic organ prolapse
- ACOG patient FAQ: Pelvic support problems
- IUGA Your Pelvic Floor: Pelvic organ prolapse
- US FDA: Urogynecologic surgical mesh implants
About the reviewer
Dr. Mo Hyung-jin, MD, PhD, board-certified OB-GYN specialist, is the medical director of Podo Women's Clinic. He developed the pelvic ligament suspension technique used at the clinic for stress urinary incontinence and pelvic organ prolapse. Profile