Medically Reviewed By: Dr. Gagandeep Singh, MBBSLast Updated: 1 October 2026
| Key Takeaways Guidelines treat lifestyle change, including structured exercise, as first-line care for PCOS [1][2]. In trials of women with PCOS, resistance exercise improved lean muscle mass and reduced body-fat percentage, but had minimal effects on hormone levels [3]. A 2025 network meta-analysis ranked resistance training lowest of the exercise types compared for lowering HOMA-IR (a calculation from fasting glucose and fasting insulin that estimates insulin resistance), behind yoga and high-intensity interval training [4]. Adults are advised 150–300 minutes of moderate-intensity aerobic activity a week (or 75–150 minutes of vigorous activity), plus muscle-strengthening on two non-consecutive days; adolescents have different targets [1]. The 2023 international guideline describes the evidence for assessing and managing PCOS as low to moderate quality, so results vary and no single exercise is a stand-alone treatment [2]. Check with your doctor first if you take insulin or sulfonylureas, are pregnant, are under 18 or have an injury; never change a prescribed medicine on your own. |
Strength training for PCOS means regular resistance exercise — squats, rows, push-ups and hip thrusts — that builds and maintains muscle. In trials of women with polycystic ovary syndrome (PCOS), resistance exercise has improved lean muscle mass and reduced body-fat percentage [3]. Its effect on insulin resistance and hormones is smaller and less consistent than many articles suggest [3][4], which is why guidelines recommend combining it with aerobic activity [1].
At Redial Clinic in Green Park, New Delhi, we look at PCOS through insulin resistance: in our clinical view it is a frequent driver of the irregular cycles, weight gain, acne and excess hair growth women describe. That is our framework, not a rule for every woman. PCOS varies from person to person, and some lean women with PCOS may have normal insulin sensitivity [5].
Does Strength Training Help PCOS?
Yes, for some outcomes. In women with PCOS, resistance training improves lean muscle mass and lowers body-fat percentage, but its effects on insulin resistance and hormones are modest and less consistent [3][4]. Guidelines treat structured exercise as first-line care and recommend combining aerobic and muscle-strengthening activity [1][2].
A 2025 meta-analysis of ten randomised trials (382 women) found that resistance exercise improved lean body mass and body-fat percentage, with minimal effects on hormone levels [3]. A 2025 network meta-analysis of 19 trials (808 women) ranked yoga and high-intensity interval training ahead for lowering HOMA-IR; resistance training ranked lowest and, like combined aerobic-plus-resistance training, showed no significant effect on HOMA-IR or total testosterone [4].
Both reviews pooled relatively small trials, and the 2023 international guideline describes the overall evidence in PCOS as low to moderate quality [2]. Read these findings as what we know so far, not a final verdict.
Why Does Muscle Matter in PCOS?
Muscle matters because it gives glucose somewhere to go. In our framework, skeletal muscle is the body’s largest glucose sink, so building and using it increases the body’s demand for glucose and lowers how much insulin it needs. This is the “increase glucose demand” lever; the other lever is lowering the glucose and refined-carbohydrate load of the diet.
Here is the sequence in plain steps. Refined carbohydrate and sugar raise blood glucose. The pancreas releases more insulin. When cells respond poorly, insulin stays high. Insulin also acts on the ovary, helping to regulate how it makes steroid hormones such as androgens [5], and in our clinical understanding chronically high insulin can push that signal up, which can disrupt ovulation and bring acne and excess hair growth.
Insulin resistance is common in women with PCOS, independent of body weight [5]. In India, studies estimate that PCOS affects between 3.7% and 22.5% of women depending on the population studied and the diagnostic criteria used, and studies of Indian women with PCOS have consistently linked high androgen levels with insulin resistance, glucose intolerance and cardiovascular risk [6].
In the trials above, though, resistance training on its own did not reliably lower insulin-resistance markers or testosterone [3][4]. That is one reason we pair it with nutrition changes instead of presenting it as a stand-alone fix.
A simplified view of the proposed pathway. Trials show clear benefits for lean mass and body composition; effects on hormones, periods and fertility are less consistent [3][4].
Is Strength Training Better Than Cardio, HIIT or Yoga for PCOS?
Not on current evidence. Guidelines recommend combining aerobic and muscle-strengthening activity [1]. In one network meta-analysis, yoga and HIIT lowered HOMA-IR more than resistance training [4], and a separate meta-analysis found HIIT reduced HOMA-IR and BMI [7]. Resistance training’s clearest benefit is on lean mass and body fat [3].
In a randomised trial at a district hospital in New Delhi (66 women), a fixed exercise programme improved menstrual cycles, waist circumference, waist-hip ratio and BMI; changes in testosterone and glucose tolerance appeared only in the group that also took metformin [8]. The trial tested a fixed exercise schedule rather than resistance training specifically, so it supports exercise in general, not strength training in particular.
Where we differ from a cardio-only routine is the muscle: in our approach, resistance training is the lever that builds glucose demand, and we pair it with the nutrition lever instead of relying on either alone.
| Redial Clinic Case Study (How We Made A Real Difference):
A woman in her twenties came to us after about four years of irregular periods, stubborn belly fat, acne, excess facial hair, mood changes and fatigue, with a deep fear about her fertility. Long cardio sessions, restrictive dieting, supplements and hormonal pills had not given her lasting change. When her plan shifted to structured resistance training alongside metabolic nutrition, over roughly three months her waistline reduced, her periods became more predictable, and her acne and energy improved. We share this to illustrate how the two levers work together, not as a promise: individual results vary, and any medication decision stays with her doctor. |
What Kind of Strength Training Should Women With PCOS Do?
Compound movements such as squats, lunges, deadlifts, push-ups, rows and hip thrusts are practical choices because they work several large muscle groups at once. Australian exercise guidance for PCOS recommends muscle-strengthening on two non-consecutive days a week for adults, alongside aerobic activity [1].
Adults with PCOS are advised to aim for 150–300 minutes of moderate-intensity aerobic activity a week, or 75–150 minutes of vigorous activity [1]. Adolescents are advised at least 60 minutes of moderate-to-vigorous activity every day, including muscle- and bone-strengthening activities three times a week [1].
Start light and learn technique first, then increase the load gradually (progressive overload means slowly adding weight or repetitions as you get stronger). A trained exercise professional, such as a clinical exercise physiologist, can help structure this [1]. We advise against crash dieting and overtraining.
Training works best with food that gives muscle something to build from. In our nutrition approach, meals are built around protein, such as eggs, paneer, plain full-fat curd, moong dal, tofu, fish or chicken, with vegetables such as palak or methi and carbohydrate kept to whole-food portions, for example one small jowar or bajra roti. Dal on its own is usually not enough protein, so we pair it with another protein source. For more on the eating side, see our guide to PCOS and weight gain.
Who Should Check With a Doctor Before Starting Strength Training for PCOS?
Check with your doctor first if you take insulin or sulfonylureas, are pregnant or planning pregnancy, are under 18, or have joint, back, heart or blood pressure problems or a previous injury. Exercise can change blood sugar, and doses of some medicines may need adjusting. Medication changes must always be made under medical supervision.
- If you take insulin or sulfonylureas: exercise can lower blood sugar, so your doctor may need to adjust your dose. Do not stop or change any medicine, including metformin, on your own.
- If you are pregnant or planning pregnancy: ask your obstetrician which exercises are suitable for you.
- If you are under 18: adolescents have different activity targets from adults [1], so train under guidance from a clinician and a qualified trainer.
- If you have joint, back, heart or blood pressure problems, or a previous injury: get a medical check and professional guidance first.
Can Strength Training Improve Mood and Quality of Life in PCOS?
It may help as part of a broader lifestyle plan. Australian exercise guidance names structured exercise as first-line care in PCOS because of its effects on health outcomes and quality of life [1], and the 2023 international guideline highlights a high prevalence of psychological features in PCOS [2].
The two meta-analyses cited above measured body composition, insulin and hormone outcomes rather than mood, so strength training should sit alongside, not replace, mental health support. If low mood, anxiety or distress are affecting daily life, speak to your doctor.
Can Strength Training Improve Fertility in PCOS?
Not on current evidence alone. The reviews cited here measured body composition, insulin and hormones; they did not show that strength training by itself improves ovulation or pregnancy rates [3][4]. Lifestyle change is first-line care in PCOS [1][2], and fertility care is individual.
If you are trying to conceive, speak to your doctor, and see our guide to tracking fertility and hormones during PCOS reversal.
Frequently Asked Questions
Is strength training safe for women with PCOS?
For most women, yes, when it is started gradually with good technique. Australian exercise guidance recommends muscle-strengthening on two non-consecutive days a week for adults [1]. Check with your doctor first if you take insulin or sulfonylureas, are pregnant, are under 18, or have an injury or a heart or blood pressure condition.
Will lifting weights make women bulky?
Unlikely. In the trials we cite, resistance exercise improved lean body mass and body-fat percentage [3]; gradual gains in strength and lean mass are the usual goal, not bulk. A trainer can adjust your programme to your goals.
Can strength training help regulate periods?
It may help some women, but the evidence for strength training on its own is limited. An Indian trial found that a fixed exercise programme improved menstrual cycles, although it tested exercise in general rather than resistance training specifically [8], and meta-analyses of resistance training show minimal changes in hormone levels [3][4]. If your periods are irregular, see a doctor for an assessment.
Should women stop cardio completely?
No. Guidelines recommend combining aerobic and muscle-strengthening activity [1]. Walking and other aerobic activity count towards the 150–300 minutes a week advised for adults [1]. Your plan should reflect your health, your preferences and your joints.
How soon do results appear?
There is no reliable timeline. Trials differ in design and length (the aerobic trials in one meta-analysis ran 12–24 weeks [3]), and results vary between women. Track what you can measure, such as strength, waist circumference and cycle dates, and review progress with your doctor.
Can overweight women with PCOS start strength training?
Yes, with gradual, guided progression. Start with low loads, focus on technique and consider working with a trained exercise professional [1]. Check with your doctor first if you have joint, heart or blood pressure concerns.
Final Verdict
Strength training for PCOS is a useful part of care: it builds muscle, supports body composition and fits the “increase glucose demand” lever we use at Redial. The research does not support presenting it as a stand-alone treatment for hormones, periods or fertility. Combined with aerobic activity, nutrition that lowers the glucose load, sleep and stress management, and medical care where needed, it can be a sustainable step. To see how we approach this, read about our PCOS Management programme.
The strongest thing about a woman with PCOS is not her diagnosis, but her ability to rise stronger than it.
Next Step
| If you have irregular periods, stubborn weight or acne and suspect PCOS, a metabolic assessment can show whether insulin resistance is the driver sitting underneath it.
Book a Metabolic Assessment at Redial Clinic, Green Park, New Delhi. |
Medical Disclaimer
This article is for educational purposes only and is not individual medical advice. The exercise that is right for you depends on your health, medicines, pregnancy status and any injuries. Do not start, stop or change any medicine, including metformin, insulin or sulfonylureas, without your doctor. The studies cited involve relatively small groups and cannot promise any outcome for you; individual results vary. In a medical emergency, contact your local emergency services immediately.
References
- Sabag A, et al., “Exercise in the management of polycystic ovary syndrome: A position statement from Exercise and Sports Science Australia,” Journal of Science and Medicine in Sport, 2024. https://doi.org/10.1016/j.jsams.2024.05.015
- Teede HJ, et al., “Summary of the 2023 international evidence-based guideline for the assessment and management of polycystic ovary syndrome: an Australian perspective,” Medical Journal of Australia, 2024. https://doi.org/10.5694/mja2.52432
- Cavalcante DCB, et al., “Effects of physical activity in women with polycystic ovary syndrome: a systematic review and meta-analysis,” Revista Brasileira de Ginecologia e Obstetrícia, 2025. https://doi.org/10.61622/rbgo/2025rbgo56
- Tan Y, et al., “The Effects of Different Exercises on Insulin Resistance and Testosterone Changes in Women with Polycystic Ovarian Syndrome: A Network Meta-Analysis Study,” Healthcare, 2025. https://doi.org/10.3390/healthcare13172132
- Diamanti-Kandarakis E, Dunaif A, “Insulin resistance and the polycystic ovary syndrome revisited: an update on mechanisms and implications,” Endocrine Reviews, 2012. https://doi.org/10.1210/er.2011-1034
- Ganie MA, et al., “Epidemiology, pathogenesis, genetics & management of polycystic ovary syndrome in India,” Indian Journal of Medical Research, 2019. https://doi.org/10.4103/ijmr.IJMR_1937_17
- Santos IKD, et al., “Effect of high-intensity interval training on metabolic parameters in women with polycystic ovary syndrome: A systematic review and meta-analysis of randomized controlled trials,” PLOS ONE, 2021. https://doi.org/10.1371/journal.pone.0245023
- Tiwari N, Pasrija S, Jain S, “Randomised controlled trial to study the efficacy of exercise with and without metformin on women with polycystic ovary syndrome,” European Journal of Obstetrics & Gynecology and Reproductive Biology, 2019. https://doi.org/10.1016/j.ejogrb.2018.12.021
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