What is PCOS?

What is PCOS?

Despite what the name suggests, Polycystic Ovary Syndrome isn’t just about ovaries—or cysts, for that matter. In fact, many people diagnosed with PCOS don’t have any ovarian cysts at all. Confusing? You’re not alone. The name dates back to how the condition was first described, but science has come a long way since then. Today, we understand that PCOS is really a complex hormonal and metabolic condition that affects far more than reproductive health.

At its core, PCOS is about hormonal imbalance. When key hormones like insulin, androgens (like testosterone), and others are out of sync, they can create a domino effect throughout the body. This hormonal miscommunication can lead to irregular periods, acne, weight changes, hair loss or excess hair growth, difficulty with ovulation or fertility—and that’s just the shortlist. But here’s the thing: PCOS doesn’t follow a single pattern. Some women experience textbook symptoms. Others don’t fit the mold at all. That’s part of what makes PCOS so challenging—and why understanding your unique experience matters.

So, how can the PCOS Association help?

We’re here to offer more than definitions. We’re here to offer direction. Whether you’re newly diagnosed, still searching for answers, or years into your journey and feeling stuck, we’re committed to helping you make sense of PCOS—and make progress.

Here’s what you’ll find at PCOSA:

  • Reliable, science-backed information about what PCOS is (and isn’t)

  • 💬 Supportive communities of people who understand exactly what you’re going through

  • 🧬 Resources for navigating fertility, metabolic health, nutrition, and more

  • 🧠 Education for providers who want to better support their PCOS patients

  • 🙋‍♀️ Advocacy to make sure PCOS is recognized, researched, and respected

No fluff. No fad cures. Just real support, grounded in evidence and compassion.

At PCOSA, we believe every person with PCOS deserves to be informed, empowered, and heard. Wherever you are in your journey, we’re honored to walk with you.

pcos

pcos: Latest results from PubMed

More than Cysts: Decoding Polycystic Ovarian Syndrome from Cells to Solutions

Polycystic ovarian syndrome (PCOS) is a heterogeneous endocrine syndrome that affects a significant proportion of women of reproductive age, with implications for fertility, metabolic health, and overall well-being. This review examines the intricate pathogenesis of PCOS, highlighting key factors such as hyperandrogenism, hyperinsulinemia, and neuroendocrine dysfunction. Emerging evidence also suggests that genetics, epigenetics, and proinflammatory cytokines contribute to the development of...

Published on: Sat, 21 Mar 2026 06:00:00 -0400

Authors: Sonam Chosdon, Nilesh Prasad, Ninshul Agarwal, Dharmendra Jain,

Maternal and Neonatal Outcomes for Pregnancies Complicated by Type 2 Diabetes and Polycystic Ovary Syndrome

CONCLUSIONS: The prevalence of PCOS among our cohort of pregnant women with T2D was lower than the reported prevalence of PCOS among women with T2D, perhaps reflecting the subfertility PCOS can confer. This may also explain the association with PCOS and nulliparity. People with PCOS were also more likely to receive preconception care and metformin.

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Jamie L Benham, Sheldon Cannon, Kianna Cadogan, Hannah C Botkin, Samin Dolatabadi, Lenka Stafl, Jennifer M Yamamoto,

Gestational diabetes mellitus in low- and middle-income countries: a systematic review and meta-analysis of associated factors

Gestational Diabetes Mellitus (GDM) is a major public health problem. This study aimed to conduct a systematic review and meta-analysis to identify the factors associated with GDM in Low- and Middle-Income Countries (LMICs). Seven electronic databases (PubMed, CINAHL, PsycINFO, Scopus, EMBASE, CABI and Google Scholar) were systematically searched for eligible observational studies published in LMICs between 2015 and August 2025. Statistical heterogeneity was evaluated using the I² statistic, and...

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Abinet Arega Sadore, Kingsley Emwinyore Agho, Elsa Awoke Fentie, Uchechukwu Levi Osuagwu,

Mediating role of the systemic immune-inflammation index in obesity-induced glycolipid dysmetabolism and compromised IVF/ICSI outcomes in polycystic ovary syndrome: A retrospective cohort study

This study aims to investigate the mediating role of the systemic immune-inflammation index (SII) in the relationship between obesity-related glycolipid indices and in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) outcomes in women with polycystic ovary syndrome (PCOS). A total of 598 women diagnosed with PCOS according to the Rotterdam criteria and undergoing their first IVF/ICSI cycle at the Reproduction Medicine Center, Taizhou People's Hospital Affiliated with Nanjing...

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Xiaofang Zhang, Ling Lin, Hongshan Ge,

The effects of glucagon-like peptide-1 receptor agonists on fertility, contraception, and pregnancy: clinical perspectives

CONCLUSIONS: GLP-1 RAs are valuable adjuncts in managing obesity-related infertility, particularly in patients with PCOS. Clinicians must counsel patients regarding contraceptive reliability during treatment, ensure adequate washout before attempting conception, and recognise that while fertility benefits are well documented, pregnancy safety data remain limited.

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Berna Dilbaz, Çağlayan Ateş,

Association Between Healthy Eating Patterns and Prevalence of Suspected Polycystic Ovary Syndrome: A Cross Sectional Study

The diet-PCOS relationship remains complex and requires further investigation. Among 1424 participants (12.3% suspected PCOS), dietary patterns were evaluated using NIH criteria via FFQ: exploratory factor analysis (EFA), EAT-Lancet dietary pattern (EAT-LDP), Mediterranean, plant-based indices. EFA identified four patterns: plant-forward (PFD), animal-protein (APD), red and organ meat (ROM), and fast-food (FFD). Multivariable logistic regression, adjusted for age, BMI, education attainment,...

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Lingling Huang, Hongqiao Li, Mengjie Zhao, Xinru Wang, Yi Zhang, Lei Ba, Jiechen Yin, Bei Wang, Xuening Zhang, Xiang Hong,

Global, Regional, and National Burden of Adolescent Polycystic Ovary Syndrome from 1990 to 2021, with Projections of Disease Burden to 2041: A Systematic Analysis Based on the Global Burden of Disease Study 2021

CONCLUSION: The global burden of adolescent PCOS has steadily increased from 1990 to 2021, with significant regional disparities. The widening health inequality and rapid growth in Southeast Asia underscore the urgent need for targeted public health interventions. The projected rise in burden underscores the urgent need for targeted public health interventions, especially in regions with rapid increases in incidence and prevalence.

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Xiaowei Cao, Zhuying Yu, Shengsheng Wu,

Effectiveness and safety of auricular therapy for polycystic ovary syndrome: a systematic review and meta-analysis

CONCLUSION: Our findings suggest that adjunctive AT may be associated with improvements in key clinical outcomes, including anthropometric measures (BMI, WHR), hormonal parameters (T levels, LH levels, LH/FSH ratio), and psychological health. However, the specific benefits may vary depending on the co-intervention. Although the included studies did not report any serious adverse events, this should be interpreted with caution due to the potential for underreporting. Methodological limitations...

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Xi Li, Shuang Xu, Liangzhen Xie, Hongying Kuang, Jialing Liu, Yan Li,

Exosomes for Polycystic Ovary Syndrome Treatment: Mechanisms and Therapeutic Potential

Polycystic ovary syndrome (PCOS) is a major health concern for women of reproductive age and a leading cause of infertility and metabolic dysfunction. Current treatments mainly involve lifestyle modification and pharmacological therapies, such as oral contraceptives and metformin, and may also include laparoscopic ovarian drilling (LOD), acupuncture, and probiotic interventions. Although these approaches can be effective, they often produce adverse effects and show a high relapse rate after...

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Pengyu Liu, Yanxiu Sha, Hailing Yang, Te Liu,

Follicle-dependent differential localization of adipokines in the letrozole-induced hyperandrogenized mouse ovary

This study investigated whether ovarian adipokines exhibit uniform or stage-specific expression patterns across different follicular stages under hyperandrogenic conditions using a letrozole-induced polycystic ovary syndrome (PCOS) mouse model. Adult female mice received oral letrozole treatment for 21 days to induce hyperandrogenism, and ovarian tissues were analyzed by immunohistochemistry and western blot to examine the localization and expression of adiponectin (ADPN), adipoR1, adipoR2,...

Published on: Fri, 20 Mar 2026 06:00:00 -0400

Authors: Ayushmita Dutta, Guruswami Gurusubramanian, Vikas Kumar Roy,

Anthropometric Measurements to Predict Metabolic Syndrome in Thai Women With Polycystic Ovary Syndrome: A Retrospective Study

CONCLUSIONS: BMI and waist-centered indices demonstrate comparable performance for predicting MetS in Thai women with PCOS. BMI provides the highest overall accuracy and, together with WHtR, can serve as practical first-line triage tools.

Published on: Thu, 19 Mar 2026 06:00:00 -0400

Authors: Marisa Yokyongsakul, Pavarit Humart, Kitirat Techatraisak, Prasong Tanmahasamut, Manee Rattanachaiyanont, Suchada Indhavivadhana, Thanyarat Wongwananuruk, Panicha Chantrapanichkul, Matus Phunyammalee, Pornpimol Madeesukstit,

Effects of Ketogenic Diet (KD) on Metabolic, Endocrine, and Reproductive Outcomes in Overweight/Obese Women With Polycystic Ovary Syndrome (PCOS): A Systematic Review

Polycystic ovary syndrome (PCOS) is a common endocrine disorder frequently complicated by obesity, insulin resistance, and reproductive dysfunction. The ketogenic diet (KD), characterized by very low carbohydrate intake, has emerged as a potential intervention, but its comprehensive short-term effects in this population require synthesis. This systematic review evaluates the impact of KD on metabolic, hormonal, and reproductive outcomes in overweight and obese women with PCOS. Following...

Published on: Thu, 19 Mar 2026 06:00:00 -0400

Authors: Arpita Misra Diha, Md Sadman Sakib Uddin, Kamarun Munira Anha, Fraol Dereje Bekele, Jannatul Naima, Abdulaziz Ahmed Salem Al-Khulaifi, Amina Abdul Nassar, Md Sajidul Huq,

Beyond Metformin: A Review of Non-pharmacological Treatments for Polycystic Ovary Syndrome

Polycystic ovary syndrome (PCOS) affects reproductive-aged women through hereditary, biological, environmental, and lifestyle factors including stress, poor diet, and oxidative stress. This narrative review aims to systematically synthesize evidence on non-pharmacological naturopathic treatments (yoga, hydrotherapy, diet, and acupuncture) for improving insulin sensitivity, reducing obesity, and alleviating PCOS symptoms. While conventional treatments like metformin increase insulin sensitivity...

Published on: Thu, 19 Mar 2026 06:00:00 -0400

Authors: P Indira Lakshmi, Sujatha Kj, Prashanth Shetty,

Gui Shen Wan ameliorates PCOS-like cellular phenotypes by suppressing TNF-alpha-mediated inflammation and restoring the PI3K/Akt signaling pathway

CONCLUSION: These findings suggest that GSW mitigates PCOS-like granulosa cell dysfunction under metabolic stress by suppressing TNF-α-associated inflammatory signaling, thereby relieving inhibition of the PI3K/Akt pathway. Given the in vitro scope and the medicated-serum approach, the results should be interpreted as mechanistic insight rather than direct evidence of clinical efficacy, and they provide a rationale for subsequent in vivo validation.

Published on: Thu, 19 Mar 2026 06:00:00 -0400

Authors: Yan Lu, Lingtong Li, Jia Fang, Wenjuan Ju, Yanfang Yan, Feihua Wu,

Bile acids and gut microbiota: interactions and impacts on polycystic ovary syndrome

Polycystic ovary syndrome (PCOS) is a multifaceted endocrine and metabolic disorder intricately associated with hyperandrogenism (HA), insulin resistance (IR), chronic inflammation, and obesity. The gut microbiota (GM) is considered a mature endocrine organ capable of exerting multiple effects by regulating bile acids (BAs) metabolism. Disruption of GM homeostasis can initiate various pathological processes, including metabolic disorders, endocrine imbalances, low-grade inflammation, and reduced...

Published on: Thu, 19 Mar 2026 06:00:00 -0400

Authors: Haiqing Qian, Jialing Tao, Lingli Shi, Haiyan Sun, Li Yang, Li Juan Cui, Wenting Xu, Lihong Wang,