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

Integrated Genomic Analysis Reveals New Diagnostic Biomarkers and Immune Mechanisms for Polycystic Ovary Syndrome

CONCLUSION: The interaction between NETRGs and MRGs forms a "dual-engine" mechanism driving PCOS pathogenesis. This study proposed a novel diagnostic model and therapeutic targets (eg, DNase I and urolithin A), advancing precision medicine for PCOS.

Published on: Tue, 14 Apr 2026 06:00:00 -0400

Authors: Ning Huang, LuYun Lou,

Targeting Insulin Resistance Through Nutrition: Pathophysiological Insights and Dietary Interventions

CONCLUSIONS: Dietary pattern selection should be individualized according to metabolic phenotype, comorbidities, and adherence potential. Larger, longer, head-to-head trials measuring hard clinical outcomes are needed.

Published on: Tue, 14 Apr 2026 06:00:00 -0400

Authors: Amelia Caretto, Anna Zanardini, Giulio Frontino, Erika Pedone,

Italian Expert Consensus on Women's Nutrition Across the Life Course: A Modified Delphi Study

Objective: Nutrition is a key determinant of women's health across all life stages. Clinical practice remains heterogeneous because of lack of evidence and non-homogeneous guidelines. Despite growing research on micronutrient supplementation, skeptical opinions persist around universal versus individualized approaches, optimal dosages, and life-stage-specific recommendations. Material and methods: This is a modified Delphi process conducted under the supervision of the Italian Association of...

Published on: Tue, 14 Apr 2026 06:00:00 -0400

Authors: Laura Sarno, Dario Colacurci, Maurizio Guida, Rossella Elena Nappi, None A G U I,

Expression of Hypoxia-Inducible Factor 1a (HIF-1a), Regulatory T Cells (Treg) and T Helper 17 Cells (Th17) in PCOS Phenotype D Patients from Polish Population

Polycystic ovary syndrome (PCOS) is associated with reproductive, metabolic, and inflammatory disturbances. Alterations in T-cell subpopulations-particularly increased T helper 17 cells (Th17) and decreased regulatory T cells (Treg)-have been reported in PCOS; however, data on normoandrogenic phenotype D remain limited. Hypoxia-inducible factor 1α (HIF-1α), a key regulator of hypoxic response, also influences immune and metabolic processes and may affect the Treg/Th17 balance. To assess Treg and...

Published on: Tue, 14 Apr 2026 06:00:00 -0400

Authors: J Kuliczkowska-Płaksej, D Szymczak, J Halupczok-Żyła, M Strzelec, A Podsiadły, N Słoka, M Bolanowski, B Stachowska, A Zdrojowy-Wełna, A Jawiarczyk-Przybyłowska,

Gut Microorganisms as Markers of Hyperandrogenemia in Premenopausal Women with Polycystic Ovary Syndrome

Previously, the role of decreased biodiversity of gut microbiota in polycystic ovary syndrome (PCOS) was demonstrated, but the objective criteria for assessing the representation of microorganisms associated with hyperandrogenemia (HA) were limited. A total of 175 premenopausal women (26 women with PCOS and HA and 149 women without HA, including 19 healthy controls) were recruited during the Eastern Siberia PCOS Epidemiology and Phenotype (ESPEP) Study (2016-2019). Methods included a...

Published on: Tue, 14 Apr 2026 06:00:00 -0400

Authors: Larisa Suturina, Natalia Belkova, Tuyana Sidorova, Nadezhda Smurova, Ilia Igumnov, Lyudmila Lazareva, Irina Danusevich, Iana Nadeliaeva, Leonid Sholokhov, Liliia Belenkaia, Alina Atalyan,

Beyond Glycemic Control: GLP-1RA-Based Therapies and Emerging Targets Beyond the Metabolic Axis

Background/Objectives: Modern diabetes therapy extends beyond glycemic control and increasingly focuses on comprehensive risk reduction to prevent long-term complications, improve quality of life, and reduce premature mortality. Accordingly, modern therapeutic approaches address not only glucose metabolism but also cardiovascular, renal, and metabolic consequences of diabetes. Within this context, glucagon-like peptide-1 receptor agonists (GLP-1 RAs) have emerged as a significant therapeutic...

Published on: Tue, 14 Apr 2026 06:00:00 -0400

Authors: Wojciech Matuszewski, Katarzyna Wołos-Kłosowicz, Paulina Włodarczyk, Patrycja Waśniewska, Robert Modzelewski, Jan Marek Górny, Michał Szklarz, Mikołaj Madeksza, Judyta Juranek,

Multiple endocrine dysfunctions in twins with Wilson's disease: two case reports Deng et al. endocrine dysfunctions in Wilson's disease

No abstract

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Hong-Rong Deng, Song-Ying Lin, Fei-Ya Zhang, Jin-Hua Yan, Xin-Hua Li, Xu-Bin Yang,

Decreased serum MG53 levels are associated with SHBG and androgen excess in women with polycystic ovary syndrome

Polycystic ovary syndrome (PCOS) is a common endocrine disorder characterized by hormonal and metabolic abnormalities. Mitsugumin-53 (MG53), a multifunctional E3 ubiquitin ligase, is implicated in insulin signaling and oxidative stress regulation, yet its role in PCOS remains unclear. This study aimed to investigate serum MG53 levels in women with PCOS and explore their associations with hormonal, metabolic, and ovarian parameters. In this case-control study, 64 women with PCOS and 64 healthy...

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Enes Serhat Coşkun, Fatma Ketenci Gencer, Süleyman Salman, Nilhan Nurlu, Havva Betül Bacak, Serkan Kumbasar, Gözde Yıldırım Timur, Ecenur Çelikoğlu, Şevval Ünlü, Fatma Tunççağ, Rana Güven,

Ethanol-induced NINJ1 oligomerization might contribute to the lytic death of granulosa cells in PCOS

No abstract

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Caglar Berkel,

The gut microbiota-metabolite axis in polycystic ovary syndrome: differential characteristics between infertile and conceived populations

CONCLUSION: Infertility in PCOS is associated with distinct gut microbiota and serum metabolite signatures, characterized by specific microbial taxa shifts and metabolic dysregulation. These findings provide potential biomarkers for clinical stratification and offer insights into the microbiota-metabolite-fertility axis in PCOS.

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Shen Lin, Shi-Yi Qi, Dan-Ting Ma, Juan Yang, Xue-Li Chen, Tong Lin, Huan-Huan Gao, Hui-Yu Chen, Yu-Nan He, Jie Lin, Jia-Hui Qiu, Di Liu, Jin-Bang Xu,

Effects of probiotic and metformin co-administration versus metformin monotherapy on anthropometric measurements, hormones, and glucolipid profile in women with polycystic ovary syndrome: a systematic review and meta-analysis

CONCLUSIONS: There may be benefit to adding probiotics to metformin therapy for women with PCOS in improving insulin resistance and gastrointestinal tolerability as well as possibly decreasing LH. Heterogeneity between studies, short intervention duration and non-standardized probiotic doses/preparations limit the strength of these findings. Further study with larger, longer, randomized controlled trials that use a standardized probiotic formulation are needed.

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Mohammed Hamsho, Wijdan Shkorfu, Meriem Bensaoua, Carlos Eduardo Carvalho Martins, Hale Hacıbayram, Abdulmannan Fadel, Yazan Ranneh,

Association of polycystic ovary syndrome with metabolic syndrome and its components in adolescents: a systematic review and meta-analysis

CONCLUSION: Adolescent PCOS is significantly associated with an elevated risk of MetS, with abnormalities primarily clustered in abdominal obesity, systolic blood pressure, and triglyceride levels. Integrating these three key metrics into routine metabolic screening for adolescents with PCOS is clinically essential. Prioritizing lifestyle interventions to address these risk factors is critical for mitigating long-term cardiometabolic complications.

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Yuhui Tu, Yafei Chen, Jianwei Zhang, Jiaping Bao, Jianbo Lou,

Neuropeptide Y Promoter Variant rs16147 (-399 T/C) Is Associated With Susceptibility to Polycystic Ovary Syndrome

Background Polycystic ovary syndrome (PCOS) is a heterogeneous endocrine disorder with complex genetic and neuroendocrine underpinnings. Neuropeptide Y (NPY), a key regulator of energy balance and reproductive function, has been implicated in hypothalamic-pituitary-ovarian (HPO) axis dysregulation. However, data on variants of the NPY gene in PCOS remain limited. This study investigated the association between the NPY promoter variant rs16147 (-399 T/C) and susceptibility to PCOS. Methods In...

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Fulya Yukcu, Raziye Akcilar, Ismail Biyik, Halil Ibrahim Sisman,

Body image perception and self-esteem in females with polycystic ovary syndrome: a systematic review and meta-analysis

CONCLUSION: Women with PCOS experience poorer body image perception than healthy controls, with no difference in self-esteem. Integrating psychological assessment into PCOS care, and targeted interventions addressing body image concerns may be beneficial. Further large-scale studies across diverse populations using standardized assessment tools are warranted.

Published on: Mon, 13 Apr 2026 06:00:00 -0400

Authors: Hyder Mirghani, Amani Shaman,