NATUROPATHIC DOCTOR IN ONTARIO
PCOS in Asian Women
Why the Standard Picture Doesn't Always Fit
PCOS in Asian Women
When most people picture someone with PCOS, they picture a particular set of features: irregular periods, visible excess hair growth, acne, and often a higher body weight. This image — shaped by decades of research conducted predominantly in Western, Caucasian populations — has become the default template against which PCOS is diagnosed and treated.
For many East and South Asian women, that template doesn’t fit. And the mismatch has real consequences: delayed diagnosis, dismissed symptoms, and years of being told that something isn’t wrong when it very much is.
This post is for Asian women who have wondered whether PCOS could explain their symptoms but been told they “don’t look like it.” It’s also for anyone who wants to understand how PCOS presents differently across ethnicities — and what a more nuanced, culturally informed approach to assessment and care looks like.
The Problem With a One-Size-Fits-All Diagnosis
PCOS is diagnosed using the Rotterdam Criteria, which require at least two of three features: irregular cycles, elevated androgens, and polycystic ovary morphology on ultrasound. This framework was developed and validated largely in European populations, and it has significant blind spots when applied across ethnicities.
Two of those blind spots are particularly relevant for Asian women.
1. Androgen excess may not look the same
One of the key markers of elevated androgens in PCOS is hirsutism — excess hair growth in androgen-sensitive areas such as the upper lip, chin, sideburns, chest, and abdomen. Hirsutism is assessed using clinical scoring tools that assign a score based on the amount and location of terminal hair growth.
The problem is that East Asian women typically have lower baseline androgen sensitivity in hair follicles — meaning the same level of elevated circulating testosterone may not produce the same degree of visible hair growth as it would in a Caucasian or South Asian woman. This means East Asian women with genuinely elevated androgens can score below the clinical threshold for hirsutism and be told they don’t have signs of androgen excess — when their bloodwork tells a different story.
Acne, scalp hair thinning, and bloodwork are therefore more important diagnostic signals in East Asian women than clinical hirsutism scoring alone.
Also, some testing methods for testosterone (urine) require different reference ranges for Asian populations, and therefore cannot be compared to standard lab reference ranges.
2. The BMI assumption causes harm
The conventional understanding of insulin resistance and metabolic risk in PCOS is tightly linked to body weight — the assumption being that higher BMI signals higher metabolic risk. This assumption systematically fails Asian women.
Research is clear that East and South Asian populations develop insulin resistance, type 2 diabetes, and cardiovascular risk at significantly lower BMI thresholds than Western reference ranges account for. The World Health Organization has published action points specifically for Asian populations — recommending that overweight be considered at a BMI of 23 or above (versus 25 in standard guidelines), and obesity at 27.5 or above (versus 30). At a BMI of 22, an East Asian woman may carry substantially higher visceral adiposity and metabolic risk than a Caucasian woman at the same BMI.
This means that a woman of Chinese, Japanese, Korean, South Asian, or Southeast Asian heritage who is told her weight is “fine” may still have clinically significant insulin resistance — and that insulin resistance may be driving her PCOS without anyone connecting the dots.
Lean PCOS: A Common and Commonly Missed Presentation
“Lean PCOS” refers to PCOS occurring in women who fall within a “normal” BMI range — typically defined as below 25 (or below 23 using Asian-appropriate thresholds). It is more common across all ethnicities than is often recognized, but it is particularly prevalent in East Asian women with PCOS.
Lean PCOS is not a separate type of PCOS — it simply describes a presentation that doesn’t fit the assumed body size profile. The underlying drivers can still include insulin resistance (which may be present even at lower body weights), inflammation, adrenal dysregulation, or a combination of these.
What lean PCOS means practically is that standard screening assumptions often fail these women. A clinician who associates PCOS risk primarily with higher body weight may not think to test fasting insulin in a slim East Asian patient with irregular periods and mild acne — even though those are precisely the symptoms that warrant investigation.
If you are of East Asian heritage, have a BMI under 25, and have irregular periods, symptoms of androgen excess (even mild), or a family history of type 2 diabetes — lean PCOS with underlying insulin resistance is worth investigating, regardless of your body weight.
PCOS in South Asian Women: A Distinct Risk Profile
South Asian women — including those of Indian, Pakistani, Sri Lankan, Bangladeshi, and Nepali heritage — carry a distinct and well-documented metabolic risk profile that shapes how PCOS presents and what it means for long-term health.
South Asian populations have among the highest global rates of insulin resistance and type 2 diabetes, driven by a combination of genetic factors, dietary patterns, and body fat distribution. South Asian women with PCOS show higher rates of insulin resistance compared to Caucasian women with PCOS, even when matched for BMI — and they carry a disproportionately elevated risk of progressing to type 2 diabetes and metabolic syndrome.
This means that for South Asian women with PCOS, the metabolic dimension of the condition deserves particular attention and early, proactive management — not a “wait and see” approach. Screening for insulin resistance, lipid abnormalities, and blood sugar should be a priority even in the absence of weight-related concerns.
Hirsutism, in contrast to East Asian presentations, tends to be more visible in South Asian women — and can carry significant cultural stigma and psychological burden that may not be fully acknowledged in clinical settings.
How Traditional Dietary Patterns Intersect With PCOS
Food is deeply cultural, and discussing nutrition in the context of PCOS needs to account for the foods that are central to a woman’s cultural identity and family life — not just the generic “low-glycaemic diet” advice that may feel disconnected and alienating.
Some specific considerations for Asian dietary patterns and PCOS:
White rice as a dietary staple is a common point of concern. White rice has a high glycaemic index and, eaten in large quantities without adequate protein, fat, and fibre, can contribute to post-meal glucose and insulin spikes. This doesn’t mean white rice needs to be eliminated — for many women, it is a nonnegotiable part of cultural identity and family meals — but it does mean that what accompanies the rice matters enormously. Eating rice alongside generous portions of vegetables, protein, and healthy fats significantly blunts its glycaemic impact.
Traditional East Asian diets that are genuinely traditional — rich in vegetables, fermented foods, fish, tofu, and modest portions of rice — are broadly anti-inflammatory and metabolically supportive. The challenge tends to arise with Westernized eating patterns, restaurant dining, or ultra-processed convenience foods that have displaced traditional whole food eating.
Traditional South Asian diets can be similarly supportive when built around lentils, legumes, vegetables, spices, and whole grains — but Westernized variations or dietary patterns heavy in refined carbohydrates (white bread, refined flour dishes, sweetened beverages) can worsen insulin resistance significantly. The rich use of anti-inflammatory spices such as turmeric, ginger, and fenugreek in South Asian cooking has genuine metabolic relevance — fenugreek, in particular, has emerging evidence for improving insulin sensitivity.
The goal of nutritional support in PCOS is never to abandon cultural eating patterns — it’s to understand them, work within them, and find practical ways to optimize them for hormonal health.
What to Ask For If You're Being Investigated for PCOS
If you are of East or South Asian heritage and are concerned about PCOS, here is what we recommend ensuring is included in your assessment:
- Fasting insulin — not just fasting glucose. Insulin resistance can be present with normal glucose.
- Full androgen panel — total testosterone, free testosterone, DHEA-S, and SHBG. Don’t rely on hirsutism scoring alone as a proxy for androgen excess.
- Lipid panel — South Asian women with PCOS in particular have elevated cardiovascular risk that deserves early assessment.
- Thyroid function — hypothyroidism can mimic PCOS and is more common in women of South Asian heritage.
- Vitamin D — deficiency is highly prevalent across South and East Asian populations, partly due to reduced sun exposure in northern climates like Ontario, and has direct relevance to insulin sensitivity and cycle regularity.
- BMI interpreted with appropriate thresholds — a BMI of 22 is not automatically reassuring in the context of East or South Asian heritage.
Naturopathic Care for PCOS in Asian Women
A naturopathic approach to PCOS in Asian women begins with recognition — that the standard picture may not apply, that metabolic risk exists at lower body weights, that androgen signs may be subtle, and that cultural context shapes both the experience of the condition and the practical application of dietary advice.
From there, the work is the same as for any PCOS presentation: thorough assessment, targeted laboratory investigation, and a personalized treatment plan that addresses the specific underlying drivers — whether that’s insulin resistance, inflammation, adrenal dysregulation, or a combination.
At Sequence Wellness, we provide virtual naturopathic care across Ontario, and we are committed to a culturally informed approach to women’s hormonal health. Dr. Janna Fung, ND brings both clinical expertise in women’s hormonal health and a personal understanding of the cultural context that shapes health experiences for many of our Asian patients.
Book a free 10-minute chat to find out if we’re the right fit for you, or explore more of our PCOS resources:
[→ A Naturopathic Approach to PCOS: Treating the Root Cause]
[→ The Four Types of PCOS — And Why Your Treatment Should Match Yours]
[→ PCOS and Insulin Resistance: What Your Blood Sugar Has to Do With Your Hormones]
This article is for informational purposes only and does not constitute medical advice. Please consult a licensed healthcare provider for assessment and treatment recommendations specific to your situation. All Sequence Wellness naturopathic doctors are board certified and licensed by the College of Naturopaths of Ontario (CONO).
Dr. Janna Fung, Naturopathic Doctor
Dr. Janna Fung is a licensed naturopathic doctor with a special interest in dermatology and women’s health. She has a passion for evidence based preventative medicine and strives to empower patients with the knowledge to achieve their optimal health. She understands collaborations is the only way to develop realistic sustainable health/wellness results and strives to develop individualized health goals with patients.
