Diet and Exercise in the Management of Polycystic Ovary Syndrome: Practical Considerations for Person-Centered Care

Abstract

Polycystic ovary syndrome (PCOS) is a complex multisystem condition associated with life-long reproductive, metabolic, and psychological symptoms. Individuals with PCOS are at an increased risk of cardiovascular disease and type 2 diabetes, with approximately 70% of all PCOS cases presenting with insulin resistance. Lifestyle interventions have historically been recommended as first-line therapies for the management of PCOS-related cardiometabolic disorders. The term “lifestyle management” incorporates a multifaceted approach to dietary, exercise, and behavioral strategies, aiming to promote a healthy lifestyle. This approach has been commonly employed in practice, in particular through exercise and dietary modulation, due to its effect on cardiometabolic outcomes as well as its tolerability. Furthermore, there is evidence to suggest that combining dietary change with exercise may yield the greatest improvements in clinical outcomes. However, such practices require careful consideration and coordination, as there are instances where certain exercise and/or dietary prescriptions may compromise the effectiveness of the respective interventions. Thus, this review aims to provide practical guidance on diet and exercise planning in the routine care of PCOS. Such recommendations include emphasizing realistic and achievable goals, as well as minimizing barriers to lifestyle changes in order to increase the long-term sustainability of this treatment strategy.

 

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Keywords

polycystic ovary syndrome - exercise - diet - lifestyle medicine - realistic medicine

Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in females during reproductive years, affecting 2 to 20% of this population.[1] [2] This condition is associated with life-long metabolic (impaired glucose tolerance, insulin resistance, type 2 diabetes mellitus, cardiovascular disease risk), reproductive (infertility, hirsutism, hyperandrogenism), and psychological symptoms (anxiety, depression, and worse health-related quality of life).[3] The updated 2023 International Evidence-based Guideline for the assessment and management of PCOS recommends the use of the revised Rotterdam criteria for the diagnosis of PCOS in adults: the presence of two of (1) clinical/biochemical hyperandrogenism, (2) ovulatory dysfunction, and (3) polycystic ovaries on ultrasound or elevated anti-mullerian hormone (AMH) levels.[4] [5] In adolescents, the diagnosis is made in the presence of hyperandrogenism and ovulatory dysfunction, with ultrasound and AMH levels not recommended.[4] [5] A key characteristic of PCOS is insulin resistance, which affects 60 to 95% of individuals with the condition.[6] Beyond pathogenesis related to excess adiposity, it is thought that insulin resistance is exacerbated through interactions with hyperandrogenism.[7] [8] In fact, hyperandrogenic PCOS phenotypes have the highest prevalence of insulin resistance: 80% in PCOS phenotypes with hyperandrogenism and oligomenorrhea and 65% in phenotypes with hyperandrogenism and polycystic ovaries, compared to 38% in normoandrogenic PCOS phenotypes.[9]

Lifestyle interventions, including dietary modulation and exercise, have historically been considered first-line therapies for the management of cardiometabolic risk factors in PCOS.[10] [11] In this narrative review, we aim to provide practical guidance on nutrition and exercise planning in the routine care of PCOS, with an emphasis on realistic and achievable goals. While examining the evidence base underlying these management strategies, we present practical considerations for person-centered care, including identifying and minimizing barriers to lifestyle changes in order to increase the long-term sustainability of this treatment strategy.

Lifestyle Intervention: An Overview

Among the general population and those with metabolic disorders, exercise is critical for the prevention and treatment of chronic disease,[12] as well as for improving in quality of life.[13] In individuals with PCOS, exercise improves cardiorespiratory fitness, lowers central obesity,[14] increases insulin sensitivity,[10] [15] [16] and ameliorates psychological distress.[17] While intricately connected to the condition itself, insulin resistance, hyperinsulinemia, and central obesity have been shown to exacerbate the clinical manifestations of PCOS.[3] [18] As a result, the current international evidence-based guidelines for exercise intervention in the management of PCOS specifically recommend a minimum of two sessions of muscle-strengthening activities and 150 to 300 minutes of moderate-intensity exercise per week or 75 to 150 minutes of vigorous exercise per week, aiming for 30 active minutes daily, for the prevention of weight gain and maintenance of overall well-being.[4] [5] When aiming for weight loss or central obesity reduction, the guidelines recommend a minimum of 250 minutes per week of moderate-intensity exercise or 150 minutes per week of vigorous exercise, in addition to muscle-strengthening activities.[4] [5] Additionally, limiting sedentary time is advised.[4] [5] Given the lack of available evidence, the guidelines were unable to recommend one form of exercise training over another ([Table 1]).[4] [5] [19] Furthermore, it is important to consider that these recommendations act as benchmarks and clinicians should consider an individualized exercise prescription, rather than a “one-size-fits-most” approach.

Table 1 General exercise recommendations based on the 2023 International Guideline for all people with PCOS[4] [5]

Recommendation	Frequency and duration	Examples
Moderate intensity exercise	For the prevention of weight gain and maintenance of health: 150–300 min/wk	A brisk walk, cycling with light effort, playing tennis, mowing the lawn
	For modest weight loss and the prevention of weight re-gain: >250 min/wk
Vigorous intensity exercise	For the prevention of weight gain and maintenance of health: 75–150 min/wk	Jogging, cycling fast, an exercise class at your local gym (e.g., circuits, spinning), playing soccer/basketball
	For modest weight loss and the prevention of weight re-gain: >150 min/wk
Resistance training	Twice weekly	Bodyweight exercises (e.g., squats, lunges, push-ups, plank), free weights, pilates, plyometrics

Abbreviation: PCOS, polycystic ovary syndrome.

Currently, there is no evidence that a specific dietary composition is superior to others in individuals with PCOS.[4] [5] The International Evidence-based Guideline for the assessment and management of PCOS recommends general healthy eating principles that tailor dietary recommendations to the individual in order to meet personal goals and PCOS presentation.[4] [5] Although not highlighted in the guidelines, the evidence does show an anti-inflammatory nutrition pattern such as the Mediterranean diet may be effective in reducing chronic low-grade inflammation and the health problems that this induces in PCOS.[20] For instance, diets that follow anti-inflammatory principles are mostly plants and limit processed foods. Nevertheless, dietary modifications should be personalized to the individual according to personal goals and PCOS presentation. In some instances, an energy deficit of 30% or 500 to 750 kcal/day may be beneficial in individuals who are wanting to achieve weight loss (body mass index [BMI] ≥25 kg/m²). Clinicians should consider the appropriateness of the prescription as patients with a history or risk of disordered eating and an unhealthy relationship with self and body may require a focus on behaviour-change goals as an alternative to a weight loss focus.[4] [5] [21] [22] The input of a registered or accredited practicing dietitian, as part of the multidisciplinary team, may be helpful for the implementation of dietary changes.

As a complex and multifaceted condition, the management of PCOS often relies on the multidisciplinary team.[23] While many healthcare professionals play an important role in the multidisciplinary management of PCOS, primary care providers are the first point of contact for an individual with PCOS,[24] and may take on a leadership role, particularly in contexts with limited resources, where balancing perspectives regarding allied health involvement could be considered.

Evidence-based practice involves considering the latest available evidence, the capacity and expertise of the clinician, and the individual desires and preferences to achieve optimal goals.[25] This approach will often involve using SMART goals (Specific, Measurable, Achievable, Relevant, and Time-Bound),[26] self-monitoring, problem-solving, and focusing on stimulus control, among other interventions.[11] However, it is important to note that while evidence-based practice involves using the guidelines and recommendations as a structured and evidence-based treatment framework, individual preferences should be taken into account to create a personalized and sustainable approach that leads to long-term behavior change.[11]

 

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Body Composition in PCOS

Individuals with PCOS are at higher risk of weight gain compared to the general population, as demonstrated in multiple longitudinal studies.[27] [28] [29] Indeed, 40 to 60% of individuals with PCOS are classified as overweight or obese.[30] Despite adjusting for lifestyle and psychosocial factors, participants in a 19-year longitudinal study gained an excess of 4.62 kg compared to controls, suggesting an underlying cause of weight gain unrelated to these factors.[28] The driver of this disproportionate weight gain is unclear, but a greater daily energy intake and lower physical activity in individuals with PCOS may contribute.[31] Whether the weight gain results from physiological or psychological consequences of the conditions remains unclear. However, there is some evidence to suggest that postprandial thermogenesis, a reduced resting metabolic rate, and increased subjective hunger levels may contribute to this finding.[32] [33] [34]

Appetite regulation may be affected by PCOS, as previous reports have shown impaired levels of appetite hormones, including cholecystokinin and ghrelin, in people with this condition.[35] [36] Other intrinsic hormonal abnormalities, including insulin resistance and hyperandrogenism, may contribute to the increased levels of adiposity in this group, as evidenced by a large population-based cohort study that found that these features were not related to adverse lifestyle behaviors such as poor dietary quality or a lack of physical exercise.[31]

 

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Lifestyle Intervention: Important with or without Medical Therapy

The term “lifestyle management” incorporates a multifaceted approach to dietary, exercise, and behavioral strategies, aiming to promote a healthy lifestyle. This approach is recommended for all individuals diagnosed with PCOS due to its positive effects on metabolic health, quality of life, weight management, and body composition.[4] [5] Higher weight exacerbates clinical features of PCOS, while weight loss ameliorates symptoms.[29] A 5% reduction in body weight is considered clinically significant weight loss; however, there is a significant variation in weight between individuals with different anthropometric parameters.[37] For the average Australian woman who is 161.8 cm tall and weighs 71.1 kg,[38] a clinically significant weight loss would be 3.5 kg. It has been suggested that this modest initial loss provides the greatest effect on the restoration of ovulation and fertility in obese individuals with PCOS,[39] and allows achievable and realistic goals to be set. Furthermore, the initial amount of weight lost by individuals does not affect the maintenance of weight loss long-term; the mean percentage of weight loss maintenance 1 year post-intervention was found to be 54% regardless of the initial weight loss.[40] Therefore, an approach balancing dietary modulation and exercise, perhaps at the expense of a greater initial weight loss, is beneficial in the long term. The approach to weight management should be determined in partnership with the individual, discussing whether they are interested in weight loss and avoiding weight stigma in the clinical setting.

The available evidence suggests that in the pursuit of weight loss, the greatest results are from the synergistic effects of dietary changes combined with exercise intervention.[10] [12] A period of intense exercise is followed by a perceived decrease in appetite, and the energy expended by physical activity is not compensated by a change in dietary intake.[41] While exercise alone can elicit weight loss, this is seldom achieved without high volumes of exercise which may be unattainable for the average person[42]; however, when added to a low-calorie diet, it induces greater fat loss while preserving lean body mass.[43] Due to its weight loss-independent effects on metabolic health, physical capacity,[12] [44] [45] [46] and psychological outcomes,[17] exercise is considered a cornerstone therapy for PCOS management. Among individuals with PCOS, exercise has been reported to improve cardiometabolic outcomes, including lipid profile,[47] [48] fasting glucose levels,[47] systolic blood pressure,[47] and insulin sensitivity.[12] [18] [48] Body composition is also improved, with reduced waist circumference,[12] [14] [47] [48] body fat percentage,[48] and improved cardiorespiratory fitness,[12] [14] [48] a clinical vital sign[49] associated with cardiometabolic health.[50] The greatest improvement in these anthropometric and metabolic outcomes is seen in individuals with PCOS who have a higher weight, compared to individuals with a BMI below 25 kg/m².[18] [48] Exercise may also be beneficial for reproductive outcomes, including hormone profiles,[12] [18] [47] but the evidence on this is limited to a few small studies with heterogenous methodologies and varying magnitudes of effect.

When considering dietary interventions, no one dietary composition is superior to another for the management of PCOS.[11] However, a range of dietary patterns underpinned by general healthy eating principles are beneficial for PCOS management, independent of weight change.[51] [52] The benefits are potentially due to the effects on the chronic low-grade inflammatory environment of PCOS, which is mediated by higher fat mass, insulin resistance, and high androgen concentration.[53] For example, the Mediterranean Diet (MedDiet) has been found to be beneficial in PCOS populations,[20] [54] [55] as it reduces inflammatory markers, testosterone, and Ferriman-Gallwey score and improves insulin resistance and hyperandrogenemia.[56] Furthermore, adequate intake of omega-3 fatty acids may reduce liver fat concentrations and oxidative stress, and optimize lipid profiles and overall metabolic measures,[57] [58] [59] although not specifically recommended by the International Evidence-based Guideline for the assessment and management of PCOS.[4] [5] Similarly, the use of probiotics for 8 to 12 weeks has been shown to decrease weight, improve insulin markers and lipid profiles, reduce inflammatory markers, and favor hormone changes and hirsutism scores in individuals diagnosed with PCOS,[60] [61] [62] but the evidence is limited to studies with small numbers of participants and therefore should be interpreted with caution.

Apart from their efficacy, lifestyle interventions are recommended for PCOS because of their tolerability. Increased physical activity has been demonstrated to not cause serious adverse effects or injuries over 1- to 2-year interventions.[63] Despite concerns that caloric restriction could lead to an increase in eating disorder symptoms, this hypothesis was not supported by a randomized controlled trial that demonstrated this intervention had benign or beneficial psychological and behavioral effects,[64] although screening for disordered eating or eating disorders using the SCOFF or EDE-Q 21 item is recommended early on in therapy to best guide appropriate care.[11] Furthermore, a consensus panel of experts agreed that the benefits of dieting for weight management outweigh potential negative side effects such as an increased risk of gallstone formation, loss of lean muscle mass, or electrolyte imbalance[65] [66]; however, further empirical evidence is needed to confirm such statements. Additional benefits of lifestyle changes for PCOS management that are not specific to this condition include a reduced risk of cardiovascular disease and type 2 diabetes mellitus.[48] Lifestyle interventions have been demonstrated to decrease all-cause mortality in a population with impaired glucose tolerance,[67] which is highly prevalent in individuals with PCOS.[68] Improvements in cardiorespiratory fitness, measured using VO₂ max as a proxy, have been shown to reduce cardiovascular risk,[69] and are achievable through exercise in a PCOS population.[12] [14] [48]

 

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Dietary Specifications in PCOS

An accredited practicing dietitian can contribute significantly to the management of all women with PCOS and should be offered if resources are available, independent of PCOS phenotype or presenting weight. Dietary management should focus on the immediate presenting needs and prevention of conditions associated with PCOS.[4] [5] In doing so, dietary interventions should incorporate person-centered care to minimize attrition and promote long-term motivation and behavior change.[70] However, the evidence regarding specific dietary interventions is limited to studies with a small number of participants and moderate-to-high risk of bias; therefore, these specific recommendations serve as a guide but should be adapted to individual preference ([Table 3]).

Table 2 Recommended nutrition behaviors for the general population, applicable to PCOS

1. Eat small more frequent meals (3 main meals, 1–2 snacks per day) 2. Couple protein with carbohydrate sources in each meal and snack 3. Consume the majority of energy during the day and less at night time, particularly after 8 pm 4. Aim for a 12–16-h fasting window between finishing dinner and having breakfast 5. Incorporate vegetables in each main meal 6. Incorporate green leafy vegetables in main meals, when possible 7. Aim for at least 3 different vegetable colors in each meal 8. Enjoy all vegetables, with greater emphasis on those with lower glycemic index (e.g., artichokes, Brussels sprouts, asparagus, bean sprouts, celery, cucumber, eggplant, mushrooms, onions, leafy greens, spinach, tomato, turnips, zucchini, cauliflower, cabbage, broccoli, capsicums, and tomato). 9. Enjoy all fruit, with particular emphasis on lower glycemic index varieties (e.g., berries, strawberries, raspberries, blackberries, citrus fruits—tangerines, oranges, lemons, grapefruit, cherries, pears, plums, peaches). 10. Enjoy a variety of nuts and seeds—almonds, walnuts, pumpkin seeds, sunflower seeds, sesame seeds, poppy seeds 11. Recommended to limit alcohol and avoidance is best if taking metformin[142]

Abbreviation: PCOS, polycystic ovary syndrome.

Table 3 General dietary recommendations based on the Mediterranean Diet

Recommendation	Serve	Additional information
EVOO	(60 mL or ≥4 T/d)	Add when cooking, to salad dressings and cooked vegetables
Nuts	3–5 serves/wk	Particularly include walnuts and almonds. 1 serve = 30 g
Fresh fruit	2–4 serves/d
Vegetables	5 serves/d	Consume with every meal—particular focus on green leafy vegetables and tomatoes
Fish or seafood	2–3 serves/wk	Fatty fish best, e.g., salmon, sardines, mackerel, tuna
Legumes	≥3 serves/wk	E.g., soups, casseroles, vegetarian burgers, falafels, curries
Whole grains	6–8/d
Dairy	2–4/d	Reduced fat
Tomato-based meals	≥3 serves/wk	Sauce made from tomatoes, onions, garlic, and herbs simmered in EVOO
White meat	2 serves/wk	e.g., chicken, turkey, pork, or rabbit without skin
Limit
Red and processed meats	<1 serving/d	Lean and small portions
Carbonated beverages and sugary drinks	<1/d
Commercial bakery products, sweets, pastries, biscuits, processed savory snacks	<2/wk
Fat spreads and cream	<1 serving/d

Abbreviation: EVOO, extra virgin olive oil.

Source: Adapted from Estruch et al.[143]

Overall, individuals with PCOS exhibit poorer intake of grains, fruits, vegetables, proteins, nuts, seeds, and dairy when compared to those without PCOS.[71] Plant-based diets are rich in dietary fiber and abundant in phytochemicals that promote glycemic control, reduce hyperglycemia, and enhance acute insulin response and sensitivity.[72] [73] Plant-based eating patterns such as the MedDiet are primarily based on sufficient intake of wholefoods, particularly green leafy vegetables, fruits, whole grains, legumes, lentils, and seafood, with moderate amounts of poultry and dairy, and limited red meat consumption ([Table 3]).

The MedDiet emphasizes 60 mL/day of extra virgin olive oil, incorporates full fat or low-fat dairy, and limits alcohol to no more than 2 glasses per day of wine.[56] Interestingly, individuals with PCOS report lower consumption of extra virgin olive oil, legumes, fish, and nuts when compared to those without PCOS.[56] Greater emphasis on these food groups may elicit improvements in various cardiometabolic risk factors among individuals with PCOS. For people with minimal improvements in insulin sensitivity after following traditional MedDiet principles over 12 weeks, a low carbohydrate (<100 g/day) MedDiet may be beneficial to help reduce anthropometric measures, LH to FSH ratios, insulin resistance, and lipid profiles.[74] Clinicians may find it useful to use the PREDIMED 14-item questionnaire as a tool to monitor adherence to the MedDiet and highlight dietary recommendations.[75]

An important consideration for dietary therapies is the overall intake and type of protein, with emphasis on both plant (e.g., tofu, tempeh, beans and legumes, and nuts) and animal-based (e.g., lean red meats, chickens, pork, turkey, fish, and dairy) sources, contributing 20 to 30% of total daily energy intake.[76] Individuals wishing to increase lean muscle mass may combine resistance training with higher protein intake at 2.2 g per kg of body weight per day.[77] Attention should also be placed on adequate omega-3 fatty acid intake, aiming for 2 g/day of supplemented or at least 400 mg/day of omega-3 through food for a minimum of 6 months, in order to meet daily requirements.[71] Other nutrients of focus are calcium,[78] selenium,[79] chromium,[80] zinc,[81] carotenoids, vitamin D,[82] vitamin E,[83] and magnesium,[84] due to their positive effects on PCOS management. This is imperative in individuals with PCOS and metabolic syndrome who consume lower amounts of these nutrients when compared to leaner people with PCOS.[85] While all dietary recommendations should meet macronutrient reference values (protein 20–30%, carbohydrates 45–65%, fat 20%, saturated fat <20% total daily energy intake), an individualized person-centered approach will likely allow for greater long-term sustainability and health,[86] while correcting nutrient deficiencies, in particular those often deficient in individuals with PCOS.

Gastrointestinal dysbiosis is hypothesized to play a significant role in the pathogenesis of PCOS due to less microbial diversity, changed microbiota composition, and damaged mucosal barrier when compared to individuals without PCOS.[87] Interestingly, changes in structure and composition of gut microflora occur irrespective of insulin resistance in people with PCOS,[88] contributing to the manifestations of hyperandrogenism, insulin resistance, chronic inflammation, and abnormal levels of brain–gut peptides.[89] [90] [91] As dysbiosis is associated with irritable bowel syndrome (IBS),[92] and IBS is reported to impact the quality of life in 21 to 27% of those diagnosed with PCOS,[93] focusing on interventions to treat dysbiosis through prebiotics, probiotics, and synbiotics is an important part of PCOS nutritional care. Probiotics are thought to stabilize the hormonal imbalance through the gut–brain axis, leading to a reduction in the LH/FSH ratio in PCOS populations.[94] Beneficial probiotics over 8 to 12 weeks include Lactobacillus rhamnosus GGs, Bacillus coagulans, Bacillus indicus, Lactobacillus acidophilus, Lactobacillus casei, Bifidobacterium bifidum, Lactobacillus rhamnosus, Lactobacillus bulgaricus, Bifidobacterium breve, and Streptococcus thermophilus, commonly coupled with inulin as a probiotic.[60] [61] [62] [95] To partner with probiotics, nutrition recommendations include a high-fiber diet (incorporating 28–30 g of soluble and insoluble fiber per day), reduced saturated fat intake, meeting hydration needs, and limiting gastrointestinal irritants such as spicy, deep-fried foods, carbonated beverages, caffeine, and alcohol.[96] If these dietary recommendations lead to unsatisfactory results, following the three phases of the low fermentable oligosaccharides, disaccharides, and monosaccharides and polyols (FODMAP) diet can be beneficial in reducing IBS symptoms.[97]

 

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Weight Loss, a Byproduct but Not Goal of Lifestyle Intervention

As higher weight, which is highly prevalent in PCOS, exacerbates PCOS symptoms, it is natural to focus on weight loss as a therapeutic goal. However, the benefits of lifestyle changes in managing PCOS have been shown to be independent of weight loss.[12] [44] [45] [46] Given that sustained weight loss is seldom achieved, shifting the focus from weight loss, particularly when trying to commence healthy lifestyle behaviors, may be beneficial. Concentrating instead on the outcomes recognized to improve with exercise, such as cardiorespiratory fitness and physical capacity, may allow these individuals to appreciate the effects of lifestyle intervention notwithstanding the absence of weight loss.[12] [14] Beyond physical changes, individuals with PCOS who undertake healthy behaviors will likely see improvements in psychological and patient-reported outcomes such as quality of life.[98]

“Diet failure” is often accompanied by weight cycling or “yo-yo dieting” in which periods of weight loss and regain occur.[99] Weight cycling leads to excess fat and decreased muscle mass. During the period of intentional weight loss, muscle mass is lost along with fat, and in the subsequent period of weight gain, the muscle mass is not recovered while fat mass increases.[100] [101] This pattern increases all-cause mortality by 41% and cardiovascular mortality risk by 36%, due to reduced resting metabolic rate[102] and lean muscle mass, and changes in the use of brown adipose tissue.[103] Each weight cycle results in 20 to 25% of loss in brown fat and lean muscle mass,[104] contributing to insulin resistance,[105] increased abdominal fat,[106] elevated triglycerides,[107] chronic inflammation,[108] and overall sarcopenic obesity over multiple weight cycles.[109] Adaptive thermogenesis makes maintaining newly suppressed weight highly difficult, needing to employ rigid dietary habits so as to not exceed lower daily energy requirements (e.g., ≤1,500 cal/day) compared to 2,000 cal/day in those without weight cycling behaviors.[109]

Body recomposition, a concomitant increase in skeletal muscle mass and decrease in fat mass, is a strategy that can address this phenomenon in weight cycling and is a goal in clinical and nonclinical settings.[110] [111] Maintenance of skeletal muscle is an important consideration in PCOS patients, as it is associated with improvements in insulin resistance.[112] Muscle is one of the main targets of insulin, and the metabolic effects of insulin and insulin resistance partially depend on the quality and quantity of muscle mass.[113] Resistance training and dietary strategies, such as whey protein supplementation, can preserve muscle mass during a weight loss program,[114] [115] but also increase the relative proportion of protein intake to fat and carbohydrates. Rather than aiming for overall weight loss, lifestyle intervention in individuals with PCOS may focus on body recomposition, which can occur without a change in BMI.[114]

Continuously restricting dietary intake and linking thinness as a value of self-worth leads to greater psychological distress,[116] increases weight over time, reduces physical activity, and increases binge eating[117] in those who weight cycle. There is an overall increased risk of eating disorders when compared to people who remain weight stable.[118] Individuals with PCOS are at increased risk of cardiovascular disease,[119] disordered eating, eating disorders,[120] [121] low self-esteem, and overall psychological distress.[122] Therefore, coupled with the weight stigma commonly experienced from patients when seeking help to manage PCOS,[123] weight management should be one of, but not the central treatment goal in cases where it has the capacity to worsen PCOS psychopathology. In such instances, focusing on other outcomes such as insulin sensitivity, cardiorespiratory fitness, and behavioral goals such as increased physical activity may lead to greater long-term effects.

 

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Barriers to Lifestyle Intervention

Lifestyle changes are most effective if they are realistic and adapted to meet the health goals of the individual. Unfortunately, many people with PCOS experience barriers to sustained lifestyle change due to feeling discouraged by a lack of results, lack of time, feeling embarrassed, and financial costs,[124] resulting in an average attrition rate of 47.1%.[125] These findings coincide with other metabolic conditions affecting women such as gestational diabetes mellitus,[126] for which PCOS is a significant risk factor.[127] Therefore, part of realistic lifestyle intervention is identifying and minimizing the barriers to change. An important barrier to lifestyle intervention includes patients' perception that they are not achieving their health goals through diet and exercise changes, and this remains a common theme when considering dietary intervention.[124] A study found that more than 82% of participants had modified their diet for health reasons; however, a third of participants did not achieve their health goals or any positive effect from dietary changes.[128] A lack of adequate information may be a contributor. Individuals with PCOS report dissatisfaction with the information provided at the time of diagnosis, including details on lifestyle interventions.[129]

Weight stigmatization is an often overlooked contributor to negative health outcomes and behaviors.[130] The phenomenon of weight stigma and the associated negative stereotyping of obese individuals has been documented by multiple studies.[131] [132] The resulting stress leads to depleted self-regulation and low self-esteem.[133] Weight stigma extends to healthcare settings, with a patient's weight affecting how they are viewed and treated by physicians.[134] The negative attitudes toward higher weight displayed by healthcare providers can act as a barrier to the management of medical conditions.[135] [136] Even the language utilized can be detrimental; using person-first language, an evidence-based terminology that puts the person in front of the condition can help address the stigma.[137] While it is well established that higher weight leads to adverse health outcomes[65] and exacerbates PCOS symptoms,[29] and therefore weight loss plays a role in the management of this condition, it can be counterproductive and stigmatizing to focus on weight reduction as the main pillar of PCOS management. Instead, adopting a balanced and individualized approach that focuses on the specific goals of treatment relevant to the individual, uses person-first language, and shifts the focus of management from weight loss to behavioral change and body recomposition may be a more appropriate therapeutic strategy.[138]

The management of PCOS should be practical through positive psychology, motivational interviewing, open-ended questions, active listening, tools for behavior change, and positive communication, with the responsibility of self-care and behavior change falling on the individual.[139] Providing a non-judgmental, shame-free space, and being aware of weight stigmatizing beliefs and attitudes which may unconsciously drive lifestyle suggestions is the duty of health practitioners. Individual preferences, including not wishing to discuss weight as part of therapy, should be respected.[139] Identifying weight stigmatizing beliefs in the individual and working through these is also important. The use of weight-neutral approaches such as basic nutritional therapy information, mindful eating, body image work, hunger-fullness work, building self-esteem, and understanding diet cycles have the same weight loss outcomes as prescribed dietary therapies over 12 months[140] while motivating sustainable healthy behaviors.

 

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Conclusion

Lifestyle interventions in PCOS lead to improvements in anthropometric, metabolic, reproductive, and psychological outcomes,[12] [14] [31] and should incorporate psychology, nutrition, and movement, using person-centered approaches to facilitate self-determined health goals and empower long-term change.[141] A personalized approach, focusing on the individual's specific goals rather than a one-size-fits-most approach, is essential in the management of this condition. Another key element in the management of PCOS through lifestyle changes is shifting the focus from weight loss to behavioral change and body recomposition. Setting realistic goals and minimizing barriers to lifestyle intervention will increase the long-term sustainability of this management strategy.

 

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Conflict of Interest

The authors report no conflict of interest.

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Publication History

Article published online:
01 December 2023