Para una mujer con incontinencia urinaria de esfuerzo o mixta, entrenar el suelo pélvico es el tratamiento de primera línea. A lo largo de 31 ensayos, las mujeres que entrenaron se curaron unas ocho veces más a menudo que las que no hicieron nada: 56 % frente a 6 %. También ayuda con el prolapso de órganos pélvicos y reduce las probabilidades de pérdidas de orina al final del embarazo en alrededor del 62 %. El trabajo del suelo pélvico acelera la recuperación del control de la vejiga tras la cirugía de próstata y ayuda a una gran parte de los hombres con dificultad eréctil.
El resultado depende de la técnica. Tras una breve instrucción, solo alrededor de la mitad de las mujeres contrae el músculo correcto de forma eficaz, y una cuarta parte puja hacia abajo por error. Encontrar y elevar el músculo correcto es lo que hace funcionar el entrenamiento. La mayor parte puedes aprenderla y hacerla tú mismo, gratis, empezando hoy.
Findings & Outcomes
What It Is
Pelvic floor muscle training is the deliberate squeeze and release of the muscular sling that closes the bladder and bowel openings from below. National guidelines put it first for stress and mixed urinary incontinence in women, ahead of any drug or operation. It costs nothing, needs no equipment, and works anywhere without anyone knowing. Across more than 10,000 women in trials, the harms have been rare and minor.
What It Does
Pooling 31 trials in 1,817 women, those who trained were about eight times more likely to report a cure than untreated women, 56% against 6%, on high-quality evidence. They were about six times as likely to be cured or improved, on moderate-quality evidence.
Other benefits are smaller or rest on fewer trials:
- Women who trained through pregnancy were about 62% less likely to be leaking in late pregnancy than women given usual care.
- Individualized training for a prolapse lowered symptoms by about 1.5 points on a 0-to-28 scale a year later, and trained women were less likely to seek further treatment. Training eases a prolapse but cannot lift it back into place.
- In men with erectile difficulty, a training program restored normal function in about 40% and improved another third by six months.
- A contraction timed to the instant before a cough, the Knack, cut cough-related leakage by around 98% within a week in older women. The gain came from timing, not added strength.
The Research & Studies
Everything here is based on the research we have collected and checked, sorted into groups and ordered with the strongest evidence first. Click any claim to open the studies behind it.
Genitourinary
About eight times more likely to be cured of stress incontinence, 56% versus 6%
Women with stress incontinence who trained the pelvic floor were roughly eight times more likely to be cured than women who did nothing, and about six times more likely to be cured or improved. This is why the training is the first-line treatment for female stress incontinence.
In the Cochrane review of 31 trials in 1817 women, compared with no treatment or an inactive control, women with stress urinary incontinence who did pelvic floor muscle training were about eight times more likely to report cure (56% versus 6%; RR 8.38, 95% CI 3.68 to 19.07; high-quality evidence) and about six times more likely to report cure or improvement (74% versus 11%; RR 6.33, 95% CI 3.88 to 10.33). For women with any type of urinary incontinence, the training group was about five times more likely to report cure (RR 5.34, 95% CI 2.78 to 10.26). Measured in: 1817 women from 14 countries with stress, urgency or mixed urinary incontinence across 31 randomized or quasi-randomized trials. Most trials were small to moderate in size with follow-up under 12 months, so the durability of the cure beyond a year is less certain than the short-term effect. Only one trial each studied mixed and urgency incontinence alone, so the strongest evidence is specifically for stress incontinence.
Who this may not transfer to:This review is female-only. Men also develop stress incontinence, most often after prostate surgery, but their anatomy and the cause of the leak differ, so the size of this effect does not transfer to men and is addressed by separate male trials.
The study · 1
Dumoulin et al., pelvic floor muscle training versus no treatment or inactive control treatments for urinary incontinence in women · Cochrane Database Syst Rev 2018;10(10):CD005654
Training through pregnancy cut the risk of leaking in late pregnancy about 62%
Women who trained the pelvic floor through pregnancy were about 62% less likely to be leaking in late pregnancy than women given usual care. Training to fix incontinence that is already there had a less certain effect.
In the Cochrane review of 46 trials in 10,832 women, continent pregnant women who did antenatal pelvic floor muscle training probably had a lower risk of reporting urinary incontinence in late pregnancy: about 62% less (RR 0.38, 95% CI 0.20 to 0.72; 6 trials, 624 women). The effect on treating incontinence already present, and on fecal incontinence, was less certain. Measured in: 10,832 women from 21 countries, pregnant or postnatal, continent (for prevention) or incontinent (for treatment). The prevention benefit in late pregnancy rests on 6 trials of continent women, and the programs and control conditions varied widely and were often poorly described. The evidence for using training to treat incontinence already established, and for fecal incontinence, was weaker.
Who this may not transfer to:Pregnancy is female-specific, so this prevention finding applies only to women.
The study · 1
Woodley et al., pelvic floor muscle training for preventing and treating urinary and faecal incontinence in antenatal and postnatal women · Cochrane Database Syst Rev 2020;5(5):CD007471
Individualized training eased prolapse symptoms about 1.5 points on the 0 to 28 POP-SS
Women with pelvic organ prolapse who did individualized training reported fewer symptoms at one year, about 1.5 points lower on the prolapse symptom score (POP-SS), which runs from 0 to 28, a modest change, and were less likely to seek further treatment, though the exercises ease symptoms, not reverse the prolapse.
In the POPPY multicenter trial, 447 women with newly diagnosed stage I to III prolapse were randomized to one-to-one individualized pelvic floor muscle training or a lifestyle advice leaflet. At 12 months the training group reported fewer prolapse symptoms on the self-reported prolapse symptom score (POP-SS, which runs from 0 to 28), an adjusted mean difference of about 1.5 points, and were less likely to seek further treatment. Measured in: 447 women (225 training, 222 control) with symptomatic stage I to III pelvic organ prolapse at 25 centers in the UK, New Zealand and Australia. The outcome was self-reported symptoms, not a measured change in the position of the prolapse, and the difference, while statistically significant, was modest in size. It reduces symptoms and the wish for further treatment, not reversing the prolapse itself.
Who this may not transfer to:Pelvic organ prolapse of the uterus and vaginal walls is female-specific, so this finding applies only to women.
The study · 1
Hagen et al., individualised pelvic floor muscle training in women with pelvic organ prolapse (POPPY): a multicentre randomised controlled trial · Lancet 2014;383(9919):796-806
A timed contraction before a cough, the Knack, cut leakage about 98% in a week
Older women who learned to squeeze the pelvic floor in the instant before a cough cut the urine they leaked by about 98% on a medium cough within a week. It worked through timing, not raw strength.
In a randomized single-blind study of 27 older women with mild-to-moderate stress incontinence (mean age 68), learning to contract the pelvic floor just before and during a cough, a skill the authors named the Knack, reduced urine lost on a medium cough by an average of 98.2% and on a deep cough by 73.3% at one week. The reduction was not correlated with a digital measure of muscle strength, pointing to timing, not raw strength. Measured in: 27 community-dwelling older women with self-reported stress urinary incontinence and demonstrable leakage on a deep cough. This is a single small study measuring leakage in a standing stress test one week after instruction, not long-term daily continence, and it selected women who could already perform the maneuver. It shows what a well-timed contraction can do in the moment, not that it cures incontinence over months.
Who this may not transfer to:Studied in women. The principle of a well-timed contraction before a rise in abdominal pressure is anatomically plausible in men too, but it has not been measured this way in men, so the size of the effect does not transfer.
The study · 1
Miller et al., a pelvic muscle precontraction can reduce cough-related urine loss in selected women with mild SUI · J Am Geriatr Soc 1998;46(7):870-874
Formal one-to-one training after prostate surgery was no better at a year, about 76% still leaking either way
For men leaking after prostate surgery, a formal one-to-one training program was no better at one year than standard advice: about three-quarters were still leaking either way. Doing the exercises is still reasonable, but paying for formal sessions on top of good advice did not add a measurable benefit here.
In the MAPS trials, men incontinent 6 weeks after radical prostatectomy or transurethral resection of the prostate were randomized to four one-to-one sessions with a therapist versus standard care and lifestyle advice. At 12 months incontinence rates were not significantly different: after prostatectomy 76% versus 77% (absolute risk difference -1.9%, 95% CI -10 to 6), and after TURP 65% versus 62%. No adverse effects were reported, and the formal program cost more without a measurable gain in quality-adjusted life years. Measured in: Two parallel randomized trials in UK men, 411 after radical prostatectomy and 442 after TURP, all incontinent 6 weeks after surgery. The comparator was standard care that already included pelvic floor advice, so this tests the added value of formal one-to-one therapy on top of routine information, not the value of doing the exercises at all. The high persisting incontinence rates also point to an unmet need these particular sessions did not meet.
Who this may not transfer to:Incontinence after prostate surgery is male-specific.
The study · 1
Glazener et al., urinary incontinence in men after formal one-to-one pelvic-floor muscle training following radical prostatectomy or transurethral resection of the prostate (MAPS) · Lancet 2011;378(9788):328-337
Training before prostate surgery improved continence at 3 months but not by 6
Men who started pelvic floor exercises before prostate surgery regained bladder control faster, with better continence at 3 months. By 6 months the difference had faded, so it speeds recovery, not changing the final result.
A systematic review and meta-analysis of 11 studies (739 men, 7 pooled) of pelvic floor muscle exercise started before radical prostatectomy found better continence at 3 months (36% improvement; OR 0.64, 95% CI 0.47 to 0.88) but no significant difference at 1 month (OR 0.68, 95% CI 0.45 to 1.03) or 6 months (OR 0.60, 95% CI 0.32 to 1.15). The authors concluded it improves early continence but not long-term continence rates. Measured in: 739 men across 11 studies of preoperative pelvic floor muscle exercise before radical prostatectomy. The benefit is confined to the 3-month mark and washes out by 6 months, so this speeds the early return of continence, not changing where a man ends up. Trials of exercise programs are hard to blind, so expectation may inflate self-reported early continence.
Who this may not transfer to:Radical prostatectomy is male-specific.
The study · 1
Chang et al., preoperative pelvic floor muscle exercise and postprostatectomy incontinence: a systematic review and meta-analysis · Eur Urol 2016;69(3):460-467
Pooled across 50 trials, training after prostate surgery gave mixed results, 57% versus 62% still leaking
Pooling many trials, the value of pelvic floor training for men after prostate surgery is mixed: some symptom reports favored it, objective pad tests did not, and men tended to improve over time whatever they did.
The Cochrane review of conservative management after prostate surgery pooled 50 trials in 4717 men. Across eight trials there was no evidence that pelvic floor muscle training with or without biofeedback beat control after radical prostatectomy (57% versus 62% still incontinent at 12 months; RR 0.85, 95% CI 0.60 to 1.22). Trials aimed at both treating and preventing incontinence suggested an overall benefit (RR 0.32), but that was not supported by pad-test data, and the authors urged caution because of the risk of bias. Men improved over time whatever the management. Measured in: 4717 men across 50 trials, 45 after radical prostatectomy and 5 after TURP or either operation. The evidence is mixed, not pointing one way: symptom self-reports sometimes favored training while objective pad tests did not, and the risk of bias was substantial. What is clear is that men recover over time regardless of the intervention.
Who this may not transfer to:Postprostatectomy incontinence is male-specific.
The study · 1
Anderson et al., conservative management for postprostatectomy urinary incontinence · Cochrane Database Syst Rev 2015;1(1):CD001843
After brief instruction only 49% of women contracted correctly and 25% bore down
After brief verbal instruction, only about half of women could produce an effective pelvic floor contraction, and a quarter bore down in a way that could make leaking worse. Finding the right muscle takes more than a leaflet.
When 47 women had urethral pressure measured at rest and during a Kegel contraction after brief standardized verbal instruction, only 23 (49%) produced an ideal effort, an actual rise in urethral closure force without straining. Twelve women (25%) used a technique that could promote incontinence, bearing down with a Valsalva effort. Age, parity, weight and prior surgery did not predict who got it right. Measured in: 47 women assessed with urethral pressure profiles after brief verbal instruction on the Kegel contraction. A small descriptive series from one clinic measuring technique immediately after instruction, not outcomes over time. It establishes that a leaflet is not enough for many people, not how quickly they learn with better teaching.
Who this may not transfer to:Measured in women. The teaching problem, that many people cannot find the muscle from words alone, is likely to apply to men as well but was not measured here.
The study · 1
Bump et al., assessment of Kegel pelvic muscle exercise performance after brief verbal instruction · Am J Obstet Gynecol 1991;165(2):322-327
Adding biofeedback raised reported cure or improvement, RR 0.75, with more clinician time
Women who added biofeedback to their pelvic floor training reported more improvement, but they also spent more time with the clinician, so it is unclear whether the extra benefit came from the device or from the extra coaching.
In the Cochrane review of 24 trials in 1583 women, those who received biofeedback alongside pelvic floor muscle training were more likely to report their incontinence cured or improved than those doing the training alone (RR 0.75, 95% CI 0.66 to 0.86). However, women in the biofeedback arms commonly had more contact with the health professional, so the extra benefit may come from the added coaching, not the device itself. Measured in: 1583 women with stress, urgency or mixed urinary incontinence across 24 trials comparing training with and without feedback or biofeedback. The biofeedback groups usually got more clinician time, which is a plausible cause of the extra benefit on its own, and many trials were at moderate to high risk of bias with poorly described interventions. Whether the device adds anything beyond the coaching is unresolved.
Who this may not transfer to:Studied in women. Biofeedback is also used to teach men, especially after prostate surgery, but its added value there was not measured in this review.
The study · 1
Herderschee et al., feedback or biofeedback to augment pelvic floor muscle training for urinary incontinence in women · Cochrane Database Syst Rev 2011;(7):CD009252
How it works
Two routes: a timed squeeze clamps the urethra, steady work builds lasting support
Training helps in two ways: a well-timed squeeze clamps the urethra shut at the moment of a cough, and steady strength work builds a firmer muscle that supports the bladder all the time. Supervised, properly taught training works better than doing it casually alone.
A review of the trial evidence describes two mechanisms by which training the pelvic floor improves continence: a deliberate, well-timed contraction raises urethral closure pressure at the moment abdominal pressure rises, and regular strength work builds a thicker, stiffer, higher-positioned muscle that supports the bladder neck continuously. It reports Level 1 Grade A evidence that training is effective for stress incontinence, that supervised and more intensive training beats unsupervised training, and that proper instruction and close follow-up are needed for it to work. Measured in: A review drawing on Cochrane reviews, international consultations and RCT evidence on pelvic floor muscle training for stress incontinence, prolapse and sexual dysfunction in women. A narrative review, not a fresh pooled analysis, and it notes a lack of randomized trials for the sexual-function claims. Its strength is in synthesizing the mechanism and the dose lessons, not in generating a new effect estimate.
Who this may not transfer to:The review is female-focused. The two mechanisms, timed closure and structural support, are anatomically general, but the effect sizes summarized here are from female trials.
The study · 1
Bø, pelvic floor muscle training in treatment of female stress urinary incontinence, pelvic organ prolapse and sexual dysfunction · World J Urol 2012;30(4):437-443
Sexual Function
About 40% of men with erectile difficulty regained normal function after training
Men with erectile difficulty who trained the pelvic floor did better than men given lifestyle advice alone: by 6 months about 40% had normal function and another third had improved, while a quarter saw no change.
In a randomized controlled trial of 55 men with erectile dysfunction, those doing pelvic floor exercises with manometric biofeedback and lifestyle advice showed a significant gain over lifestyle advice alone at 3 months (erectile function domain of the IIEF up 6.74 points, P=0.004). Across the whole cohort by 6 months, 40% attained normal erectile function, 34.5% improved, and 25.5% did not change. Measured in: 55 men (median age 59) with erectile dysfunction for more than 6 months, recruited from a urology clinic. One modest single-center trial in which the intervention combined exercises, biofeedback and lifestyle advice, so the exercise component cannot be fully separated from the rest. A quarter of men saw no change.
Who this may not transfer to:Erectile function is male-specific.
The study · 1
Dorey et al., randomised controlled trial of pelvic floor muscle exercises and manometric biofeedback for erectile dysfunction · Br J Gen Pract 2004;54(508):819-825
How It Works
A stress leak and an overactive bladder look like opposite problems, yet the same squeeze reaches both. A firm contraction suppresses the sudden urge to empty, an effect called detrusor inhibition.
Anatomy of the Practice
1What the muscle does
The pelvic floor closes the urethra and keeps it closed when pressure inside the abdomen suddenly rises: a cough, a sneeze, a laugh, a lift. When the muscle is weak or slow, that pressure overcomes it for a moment and a little urine escapes. A stronger muscle backs the urethra at rest; a faster, better-timed contraction shuts it at the instant pressure spikes.
2The first weeks
Like any muscle, the pelvic floor responds to repeated effort. The early gains are partly your nervous system learning to fire the right muscle cleanly, without bracing the belly or holding the breath.
3Over weeks and months
Trained regularly, the muscle grows thicker and sits higher, giving the bladder and urethra steady support. The trials that supervised training most closely saw the largest and most durable gains.
How To Do It Right
A pelvic floor contraction should feel like a gentle lift, drawing up and in. A downward push, or the feeling of starting a bowel movement, is the wrong direction.
Ways to Do It
When 47 women were given brief verbal instruction and then measured, only about half produced an effective contraction and a quarter pushed the wrong way. So start by finding the right muscle, then work the routine into your day.
Imagine stopping the flow of urine and holding back wind at the same time, then feel for a gentle squeeze inward and upward around the openings. Keep your belly, buttocks and thighs relaxed and keep breathing normally. To locate the muscle, stop your urine midstream once, just to feel where it is. Do not make this the exercise, since doing it often can upset normal bladder emptying.
Squeeze and hold for a slow count of five to ten, then fully relax for the same count, and repeat eight to ten times. Add a set of quick, sharp one-second squeezes, because the fast contraction is what catches the leak from a cough. Aim for about three sets across the day. Learn the Knack too: brace the pelvic floor deliberately in the instant before you cough, sneeze, laugh or lift.
You do not need a referral, and most people can start alone. A pelvic floor physiotherapist helps when the self-directed version stalls: when you cannot tell whether you are finding the muscle, or leaking continues after two months of steady effort. They confirm your technique by internal examination or with biofeedback. Biofeedback groups did a little better in trials. They also spent more time with the clinician, so part of that edge may come from the extra coaching.
Go Deeper
The same muscle reaches beyond the bladder:
- Premature ejaculation: in men with the lifelong form, a training course lengthened the time to ejaculation several times over.
- Erectile dysfunction: where the same pelvic floor work sits among the treatment options.
- Endometriosis: a tense pelvic floor can drive the pain here.
- Resistance training: the progressive-load idea behind building the muscle.
- Yang Sheng: the Chinese practice of nourishing life through daily habit.
The Chinese Medicine View
Chinese medicine reads bladder control mainly through the Kidney, which is said to hold the lower openings shut through its grasping, consolidating function. The age-related or after-childbirth dribble of urine is read as Kidney Qi failing to secure. Downward heaviness or a prolapse is read as sinking of Spleen Qi, since the Spleen governs the muscles and holds the organs up against gravity. The perineum is the point Ren-1 (huiyin), at the pelvic floor. The Conception and Governing vessels are said to arise here before running up the front and back midline.
The tradition favors a gentle inward lift, gathering and consolidating, and the classics treat the downward strain of bearing down as the error to avoid in someone already sinking. For a depleted, tired, cold, worn-out person, the classical counsel is to build reserves gently and steadily, keeping effort well short of exhaustion.
Cautions For This Practice
Everything to be aware of is here, in one place. This practice suits most healthy people; a few situations call for real care.
Harms were rare and minor: 2 of over 10,000 women stopped for pelvic floor pain
Across the large reviews, harms were rare and minor. In the antenatal and postnatal review of 10,832 women, only 2 participants withdrew because of pelvic floor pain and no other trial reported any adverse effect of training. The male prostate-surgery trials likewise reported no adverse effects. The main way to do harm is a technique error, bearing down instead of lifting, not the exercise itself. Trials are not designed primarily to detect rare harms and adverse events are often under-recorded, so this reflects an absence of any signal in large samples, not a formal safety study. The one repeatable downside is doing the contraction in the wrong direction.Woodley et al., pelvic floor muscle training for preventing and treating urinary and faecal incontinence in antenatal and postnatal womenGlazener et al., urinary incontinence in men after formal one-to-one pelvic-floor muscle training following radical prostatectomy or transurethral resection of the prostate (MAPS)
A tense pelvic floor needs the opposite of strengthening
Not everyone should be squeezing. Some people have a pelvic floor that is already too tight and cannot fully relax, and for them more contraction makes things worse. The signs: pelvic pain, pain during sex, a slow urine stream, never quite emptying, urgency and frequency, or ongoing constipation. Often there is no leaking at all. If that sounds like you, the fix is to lengthen and release the muscle. A pelvic floor physiotherapist teaches this. Get assessed before starting a strengthening routine.
Bearing down can make leaking worse
Bearing down during the exercise adds pressure to the floor you are trying to support. Done repeatedly, it can make ordinary leaking worse.
New or alarming symptoms deserve a look, not just more Kegels
Leaking that starts suddenly, or comes with pain, blood in the urine, fever, or a change in your bowels, is not a training problem and should be checked. A bulge or heaviness low in the pelvis that does not settle can be a prolapse, which needs assessment for a pessary or surgery. New or unexplained urinary symptoms are worth a professional assessment.
After prostate surgery, coordinate the timing
Men are routinely taught pelvic floor exercises around prostate surgery, and starting them, including before the operation, is reasonable and speeds the early return of control. An intensive formal program was no better than clear standard advice at one year in the largest trial, when about three-quarters of men were still leaking either way. Pooled across 50 trials, the added value of a formal program over routine care is uncertain, since men tend to improve over time whatever they do. Work to the timeline your surgical team sets.
The gains fade if you stop training
The benefit lasts only while the muscle stays trained, so build it into something you do every day.
Start slow, be smart, read the research, and consult a professional if you have any concerns. This is here to inform your choice, not make it for you.
Common Questions
How long until pelvic floor exercises work?
There is no single number, because timing and strength improve on different clocks. A well-practiced squeeze can catch a cough leak early, while measurable strength gains took about twelve weeks in most trials.
How do I know if I am doing Kegels correctly?
Many people cannot judge it alone. If you are unsure, one session with a pelvic floor physiotherapist, or a biofeedback screen, will confirm your technique.
Do men need pelvic floor training too?
Yes. Men have the same muscle and use the same technique, and it is often overlooked for them. Beyond leaking, pelvic floor training plays a part in erectile difficulty, in recovery around prostate surgery, and in premature ejaculation.
Can pelvic floor exercises be bad for you?
For most people, no. The exception is a floor that is already too tense, where more squeezing makes things worse. If you have pelvic pain or trouble emptying, get assessed before you start.
What is the difference between Kegels and biofeedback devices?
Kegels are the movement itself, the squeeze and release. Biofeedback adds a small sensor that shows your effort on a screen, a teaching aid that helps most when you cannot tell whether your action is right.
All 13 sources on this page independently checked and cross-referenced.
Thomas Dehli, Founder & Editor, Sacred Lotus
Sacred Lotus has published Chinese medicine reference material since 2001. Integrative pages are held to the same standard as the herb and formula library: cite the source, grade the claim at its real strength, and say where the research has not looked. This page is educational and it is not medical advice. Last reviewed and updated August 9, 2026.
Evidence strength
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