Short answer
Pelvic-floor muscle training (PFMT) has its clearest evidence as a conservative treatment for urinary incontinence in women, especially stress urinary incontinence, when the programme is appropriate and performed correctly over time. Evidence also supports selected prevention, pregnancy/postpartum, prolapse-symptom, and post-prostate-treatment uses, but the certainty and expected outcome vary.
PFMT is not a universal cure for leakage, pain, prolapse, sexual symptoms, constipation, or every pelvic-floor problem. A benefit found in one population cannot automatically be promised to another.
What counts as a benefit?
Research may measure several different outcomes:
- fewer leakage episodes;
- lower symptom severity;
- improved condition-specific quality of life;
- greater pelvic-floor strength or endurance;
- better ability to contract and relax;
- earlier recovery of continence after a treatment;
- reduced risk of developing a symptom in a prevention population.
These outcomes are not interchangeable. A change in measured muscle strength does not guarantee symptom relief, and symptom improvement does not mean that anatomy has returned to a previous state. When reading a benefit claim, ask who was studied, what programme they completed, what comparison was used, and how long follow-up lasted.
Where the evidence is strongest
Urinary incontinence in women
The Cochrane review of PFMT for urinary incontinence in women found that PFMT can improve or resolve symptoms for some women compared with no treatment or inactive control. The review also reported reductions in leakage episodes and condition-specific symptom measures.
NICE recommends supervised PFMT for at least three months for women with stress or mixed urinary incontinence. The EAU guideline likewise treats intensive, supervised PFMT as first-line care for these groups.
This evidence supports PFMT as a treatment class. It does not prove that every unsupervised Kegel routine, timer setting, or generic daily target is equally effective.
Selected pregnancy and postpartum prevention or treatment
Structured antenatal or postnatal PFMT can reduce urinary-incontinence risk or symptoms in selected populations. The effect depends on whether training is used for prevention or treatment, when it starts, who is at risk, supervision, adherence, and the outcome being measured.
Pregnancy and postpartum guidance must also account for pain, birth injuries, tissue healing, heaviness, emptying difficulty, and maternity-team advice. “PFMT can help some people” is not the same as “everyone should perform the same strengthening programme immediately.”
Some prolapse-related symptoms
Supervised PFMT may improve selected symptoms and quality of life for some women with pelvic-organ prolapse. The goal is usually improved symptom management and muscular support—not a promise that exercise will reverse prolapse anatomy.
Heaviness, pressure, or a bulge still warrants appropriate assessment, particularly when symptoms are new, worsening, or affecting bladder or bowel function.
Where evidence is more context-dependent
After prostate treatment
Pelvic-floor exercise or training is commonly used after radical prostatectomy, often after catheter removal and according to the surgical team’s plan. Some evidence suggests earlier recovery of continence, while longer-term differences and the best programme remain less certain. Timing, procedure, catheter status, healing, and the person’s ability to contract correctly matter.
Generic pre- or postoperative instructions should never override the treating team.
Urgency and overactive-bladder symptoms
Pelvic-floor contractions can be one component of urgency-management programmes, often alongside bladder training and behavioral strategies. Urgency has many possible contributors, so repeated squeezing alone is not complete overactive-bladder care.
New burning, blood in urine, fever, difficulty emptying, or sudden symptom change requires medical context rather than an app-only programme.
Bowel control
Pelvic-floor rehabilitation may be included in individualized care for fecal or gas leakage, but bowel outcomes depend on sphincter integrity, sensation, stool consistency, timing, coordination, neurological factors, and other treatment. Evidence for generic unsupervised Kegels is less straightforward than for female stress urinary incontinence.
Sexual function
PFMT may improve selected sexual-function outcomes in some studies, but protocols and populations are heterogeneous. Sexual symptoms can have vascular, hormonal, neurological, pain-related, medication, psychological, relationship, and other contributors. Strengthening should not be marketed as a guaranteed way to improve erections, orgasm, sensation, or sexual performance.
Benefits depend on the programme
PFMT is training, not a single squeeze. Outcomes can depend on:
- whether the person can perform the intended contraction and release;
- whether the programme matches the diagnosis or goal;
- training intensity, duration, volume, and progression;
- supervision and feedback;
- adherence over weeks or months;
- symptom response and programme review;
- whether another treatment is needed alongside PFMT.
This helps explain why a positive guideline recommendation can coexist with uncertainty about the best number of seconds, repetitions, or daily sessions.
What the evidence does not support
Current evidence does not justify claims that Kegels:
- cure every type of urinary or bowel leakage;
- diagnose whether a pelvic floor is weak or tight;
- reverse prolapse anatomy in every person;
- treat urinary infection or urinary retention;
- resolve pelvic pain through more strengthening;
- guarantee sexual-performance changes;
- work equally well for every age, anatomy, condition, or treatment stage;
- produce a predictable result by a fixed date.
Evidence-based does not mean universal. It means the likely benefit, uncertainty, and safety boundary are matched to the population, intervention, comparison, and outcome that were actually studied.
When more Kegels may be the wrong response
Pause generic strengthening if exercise causes pain, increasing pressure or heaviness, worsening urgency, difficulty passing urine or stool, or persistent tension. Seek a pelvic-health assessment when you cannot contract or release, symptoms are unexplained, or progress does not match expectations.
Use who should—and should not—do Kegel exercises for a conservative decision framework. For urgent warning signs, follow when to stop a Kegel workout.
Sources
- Dumoulin C, Cacciari LP, Hay-Smith EJC. “Pelvic floor muscle training versus no treatment, or inactive control treatments, for urinary incontinence in women.” Cochrane Database of Systematic Reviews. 2018;10:CD005654. Cochrane summary.
- National Institute for Health and Care Excellence. Pelvic floor dysfunction: prevention and non-surgical management. NG210. NICE recommendations.
- European Association of Urology. Guidelines on Non-neurogenic Female Lower Urinary Tract Symptoms. EAU disease-management chapter.
- Woodley SJ et al. “Pelvic floor muscle training for preventing and treating urinary and faecal incontinence in antenatal and postnatal women.” Cochrane Database of Systematic Reviews. 2020. PubMed Central.
- Bø K, Berghmans B, Mørkved S, Van Kampen M, editors. Evidence-Based Physical Therapy for the Pelvic Floor. 3rd edition. Elsevier; 2023. Chapters 7 and 11. Official publisher record.