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

Clinical and Biochemical Characteristics of Girls with Polycystic Ovary Syndrome presenting with Amenorrhea

CONCLUSIONS: PCOS is a frequent cause of both PA and SA in adolescents. Girls with PA exhibit greater hyperandrogenism and are more likely to fail a progesterone challenge, suggesting a more severe phenotype than in those with SA.

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Manahil Mustafa, Erica A Eugster,

Ursolic acid, a pentacyclic triterpene from Ochrosia elliptica Labill leaves and its role in the management of polycystic ovary syndrome (PCOS)

Ursolic Acid (UA), a naturally occurring pentacyclic triterpene, was isolated from Ochrosia elliptica. Polycystic Ovary Syndrome (PCOS) a prevalent endocrine disorder characterized by hyperandrogenism, insulin resistance, and chronic inflammation. In this study, we investigate the role of UA in alleviating the symptoms of PCOS, focusing on its biochemical, hormonal, and histopathological effects in a rat model. Using adult female Wistar Albino rats, PCOS was induced through letrozole...

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Shimaa R Emam, Marwa A Ibrahim, Fady Sayed Youssef, Marwa S Khattab, Riham A El-Shiekh, Rehab A Ghandour, Heba F Hozyen, Marwa Zakaria, Essam A Abdel-Sattar, Samar M Mouneir,

Network pharmacology analysis of integration of dietary plant-derived natural flavonoids and gut microbiota for the treatment of Polycystic Ovary syndrome (PCOS)

Polycystic ovary syndrome (PCOS) is a heterogeneous endocrine disorder manifested by hyperandrogenism, ovulatory dysfunction, and systemic metabolic dysregulation. While the 'gut-diet' axis offers potential therapeutic avenues, the synergistic molecular mechanisms integrating dietary flavonoids and gut microbiota remain elusive. This study employed a comprehensive network pharmacology approach, coupled with molecular docking validation, to decode the tripartite interaction network of 'Dietary...

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Hong Chen, Hongying Kuang, Yang Zhang, Qionghua Chen, Dongxia Yang,

Dissociation Between Metabolic Improvements and Mitochondrial Transcriptional Changes Following Exercise Training in Women with Polycystic Ovary Syndrome

Polycystic ovary syndrome (PCOS) is a prevalent endocrine disorder associated with insulin resistance and affecting women of reproductive age. Although the aetiology and the underlying molecular mechanisms of metabolic dysregulation in PCOS remain unclear, regular physical activity is known to ameliorate metabolic dysfunction. In this study, we investigated the transcriptional and epigenetic adaptations to exercise training in women with PCOS (n = 8). Following 12 weeks of high-intensity...

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Alba Moreno-Asso, Ali Altıntaş, Sarah Voisin, Luke C McIlvenna, Rhiannon K Patten, Andrew J McAinch, Raymond Joseph Rodgers, Nigel K Stepto, Romain Barrès,

Lifestyle and Complementary Approaches to Polycystic Ovary Syndrome During Perimenopause and Menopause A Scoping Review

Polycystic Ovary Syndrome (PCOS) persists across the lifespan, yet management during perimenopause and menopause remains underexplored. This scoping review examined non-pharmacological and non-surgical interventions for adult women with PCOS, with particular attention to lifestyle modifications, complementary approaches, and the influence of chronic pain and mental health on quality of life. Guided by the Arksey and O'Malley five-step framework and Joanna Briggs Institute recommendations,...

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Candy Wilson, Lenny Chiang-Hanisko, Sahar Kaleem, Moradi Aljadani, Jennifer Mendonca, Shaima Arshad, Nicole Pirrone, Tiffany Follin, Lea Sacca,

Diagnosis of Polycystic Ovary Syndrome With Predictive Modeling of Select Clinical Features

CONCLUSION: A minimum combination of ovarian volume with AMH and examination/history-derived end points can accurately predict PCOS diagnosis with performance comparable to that of a combination of all ultrasonographic, biochemical, and clinical features. This may streamline diagnostic workflows, thereby reducing clinical burden.

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Adam T Evans, Eeshaan Rehani, Bailey Smith, Melody D Hong, Zoe Lewin, Karina Hiroshige, Steven D Spandorfer, Iman Hajirasouliha, Marla E Lujan, Kathleen M Hoeger,

East Asian Mendelian-Randomization Evidence Linking PCOS to Gestational Diabetes Mellitus

CONCLUSION: This MR study provides evidence supporting a potential causal association between genetically predicted PCOS and GDM in East Asian populations, in contrast to previous European-based findings, and highlights possible population-specific genetic differences with implications for precision risk assessment in pregnancy.

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Jingshu Du, Liwei Xing, Yang Chen, Zhe He, Lanping Zhong, Rong Zhao,

Edible bird's nest ameliorates hyperandrogenism and gonadotropin imbalance in a rat model of polycystic ovary syndrome

Edible bird's nest (EBN) is a traditional functional food consumed for its purported reproductive health benefits. However, robust preclinical evidence supporting its efficacy in polycystic ovary syndrome (PCOS)-a prevalent endocrine disorder characterized by hyperandrogenism and gonadotropin dysregulation-is lacking. This study aimed to evaluate the effects of a commercially available fresh EBN product on reproductive endocrine, metabolic, and ovarian parameters in a letrozole-induced PCOS rat...

Published on: Mon, 23 Mar 2026 06:00:00 -0400

Authors: Yang Jiao, Man Yuan, Liqin Chen, Shuang Qiu, Juan Chen, Dongliang Wang,

Effect of PET-MPs exposure on the toxicology of PCOS: a multi-platform computational toxicology investigation

Polyethylene terephthalate microplastics (PET-MPs) function as endocrine-disrupting agents that interfere with steroidogenesis and folliculogenesis, potentially contributing to polycystic ovary syndrome (PCOS). This study integrates computational toxicology and machine learning to delineate the mechanisms linking PET-MP exposure to PCOS pathogenesis. We conducted systematic multi-omics analysis by merging PET-MP-associated targets from ChemBL, PubChem, SwissTargetPrediction, SuperPred, and...

Published on: Sun, 22 Mar 2026 06:00:00 -0400

Authors: Hai Bai, Yuxiao Jiang, Bozhi Zhu, Jing Huang, Yu Zhang, Xunrui Liu, Liying Ge, Shanshan Zhang, Yue Shi, Mingming Wang,

SHP2 improves ovarian morphology and steroidogenic function in a rat PCOS model by modulating IRE1alpha/XBP1/NLRP3-mediated granulosa cell pyroptosis

No abstract

Published on: Sun, 22 Mar 2026 06:00:00 -0400

Authors: DongXue Wang, JingNa Wang, Bo Yang, Xin Zhao, Xiaoye Feng, Qi Ding, Yuanyuan Wu, LiLi Bao,

Exploring the knowledge and attitudes of nursing students regarding protection from Polycystic Ovary Syndrome (PCOS): a cross-sectional study

No abstract

Published on: Sun, 22 Mar 2026 06:00:00 -0400

Authors: Mirfat Mohamed Labib Elkashif, Sally Abd-Elrahman Mohamed, SHaheena Tabassum Mohammad Ahsan, Darelglal Ahmed Gassmelseed, Shimaa Mohamed Mohamed Koabar, Doaa Mostafa Sheashaa,

Gestational diabetes mellitus in women with polycystic ovary syndrome

CONCLUSION: The prevalence of GDM in women with PCOS is similar between those treated for infertility and those not treated. Other determinants of GDM within this population have been identified, which could potentially enable early detection of women at risk and the implementation of personalized care in a precision medicine approach.

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

Authors: Alice Mionnet, Nassima Ramdane, Anne Vambergue, Sophie Catteau-Jonard, Geoffroy Robin, Christine Decanter, Madleen Lemaitre,

Quality of Life in Polycystic Ovary Syndrome after Anti-Androgen Therapy Using PCOSQOL-47 and PCOSQOL-42

CONCLUSIONS: Combined finasteride and spironolactone significantly improved all HRQOL scales and reduced hyperandrogenism within the first four months in women with PCOS, supporting its role alongside lifestyle measures.

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

Authors: Samih Abed Odhaib, Mahmood Thamer Altemimi, Adel Gassab Mohammed, Dheyaa Kadhim Al-Waeli, Miaad Jassim Mohammed, Haider Ayad Alidrisi, Husam Jihad Imran, Abbas Ali Mansour,

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,