What is PMOS?

What is PMOS?

Despite what the name suggests, Polyendocrine Metabolic Ovarian Syndrome isn’t just about ovaries—or cysts, for that matter. In fact, many people diagnosed with PMOS 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, PMOS 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: PMOS 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 PMOS so challenging—and why understanding your unique experience matters.

So, how can the PMOS 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 PMOS—and make progress.

Here’s what you’ll find at PMOSA:

  • Reliable, science-backed information about what PMOS 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 PMOS patients

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

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

At PMOSA, 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

Association Between Serum ANGPTL8 Levels and PCOS and Its Clinical Utility in Diagnosis

CONCLUSION: Serum ANGPTL8 levels are significantly lower in PCOS patients and inversely associated with PCOS risk. ANGPTL8 shows promise as a novel diagnostic biomarker for PCOS, especially when integrated into multi-marker panels with existing hormonal parameters.

Published on: Fri, 14 Aug 2026 06:00:00 -0400

Authors: Yanli Wang, Chongbo Du, Xuejia Guo, Xiaowen Ma, Yanping Feng, Yandong Deng, Yuxiao Zhang,

Adropin in polycystic ovarian syndrome: expression and impact on human granulosa cells function

Adropin is a new protein that regulates energy homeostasis. The serum and follicular fluid (FF) levels of adropin are decreased in women with polycystic ovarian syndrome (PCOS); however, its role in ovarian function is unknown. The aims were to determine the expression of adropin and its receptor G protein-coupled receptor 19 (GPR19) in human granulosa cells (GC), its immunolocalization and its in vitro effects on GC function. Blood plasma, FF and GC samples were obtained from normal weight,...

Published on: Fri, 14 Aug 2026 06:00:00 -0400

Authors: Patrycja Kurowska, Monika Dawid, Natalia Respekta-Długosz, Julia Oprocha, Oliwia Szkraba, Marek Skrzypski, Noémie Couty, Christelle Ramé, Fabrice Guérif, Jakub Wyroba, Joanna Kochan, Lechosław Gajda, Monika Trzcińska, Joelle Dupont, Agnieszka Rak,

Remission of polycystic ovary syndrome based on the recovery of ovarian morphology identified by three-dimensional ultrasonography: a retrospective study

CONCLUSION: Our study demonstrated that 11.75% of women with PCOS achieved complete clinical remission following targeted metabolic pharmacotherapy, as evidenced by restored ovarian morphology, normalized testosterone concentrations, and regular menstrual cycles.

Published on: Fri, 14 Aug 2026 06:00:00 -0400

Authors: Keying Su, Yujie Zhao, Huihui Chai, Meili Cai, Diliqingna Dilimulati, Yuqin Zhang, Xiaowen Shao, Shen Qu, Chang Liu, Manna Zhang,

Blunted Lsm14b activation disrupts maternal mRNA remodeling during the GV-to-MII transition in a mouse model of polycystic ovary syndrome

INTRODUCTION: Polycystic ovary syndrome (PCOS) is the leading cause of anovulatory infertility and is consistently associated with poor oocyte developmental competence, yet the molecular basis of this qualitative defect remains poorly defined. Because the germinal vesicle (GV)-to-metaphase II (MII) transition occurs under global transcriptional silence and depends entirely on the post-transcriptional remodeling of pre-stored maternal mRNAs, we hypothesized that PCOS may selectively disrupt this...

Published on: Fri, 14 Aug 2026 06:00:00 -0400

Authors: Wenchen Du, Jiayu Shi, Jie Chen, Mengyu Zhang, Xiaojie Jiang, Ruxin Wang, Yong Tan,

Editorial: Sex steroid metabolism and obesity: insights from animal studies

No abstract

Published on: Fri, 14 Aug 2026 06:00:00 -0400

Authors: Laura J den Hartigh, Mita Varghese,

Jinfeng Pills alleviate letrozole-induced PCOS by correcting CYP17A1/CYP19A1 steroidogenic imbalance and PI3K/Akt/mTOR-related signaling

CONCLUSION: JFP improved endocrine and ovarian dysfunction in letrozole-induced PCOS rats, with its effects associated with modulation of CYP17A1/CYP19A1-mediated steroidogenesis, PI3K/Akt/mTOR-related signaling, and inflammatory-apoptotic pathways. These findings provide preclinical evidence and mechanistic clues for further investigation of JFP in PCOS-related reproductive endocrine disturbance and ovarian histomorphological abnormalities, while direct ovulation and fertility outcomes require...

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Hexin Li, Ming Chen, Shuangbing Deng, Jiaqi Shi, Yuntong Shi, Zichen Wan, Chengxu Zhang, Qiong Wu, Jinzhi Qu, Junyi Ruan, Jieqing Liu,

Association Between Hidradenitis Suppurativa and Polycystic Ovary Syndrome

Hidradenitis suppurativa (HS) is a chronic inflammatory skin condition with metabolic and hormonal comorbidities. This study analyzed the association between HS and polycystic ovary syndrome (PCOS) using data from the National Institute of Health's All of Us Research Program database. In a cross-sectional analysis of 78,742 females, 5.64% of those with HS had PCOS compared with 0.93% of those without HS. After adjusting for age, race/ethnicity, smoking status, type 2 diabetes, and obesity,...

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Minka Gill, Nickoulet Babaei, Dahyeon Kim, Mireya Cervantes, Seanna Yang, Jashin J Wu,

11-Oxygenated Androgens in Pcos: Impact of Pcos Phenotypes and First-Line Interventions

CONCLUSIONS: 11-oxygenated androgens are elevated in PMOS in a phenotype-specific manner and are strongly suppressed by OCPs, with modest response to metformin and no short-term effect from LSM, supporting their utility in phenotyping and treatment monitoring.

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Anuja Dokras, Allen R Kunselman, Christina M Stetter, Michael McPhaul, Frank Z Stanczyk, Richard S Legro,

Impact of Oral Contraceptives and Metformin on Advanced Lipid Phenotyping in PCOS

CONCLUSIONS: In patients with PCOS and high metabolic risk, OCP use resulted in improved HDL-C function and a mixed effect on lipoproteins and apolipoproteins, with no clear benefit from metformin. These findings do not support or refute the cardiovascular risk-benefit of OCP use in PCOS and highlight the need for studies evaluating long-term clinical outcomes.

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Iris T Lee, Daniel E Soffer, Alan T Remaley, Martin P Playford, Nehal N Mehta, Christos Coutifaris, Richard S Legro, Anuja Dokras,

Constant ovulation during oral contraceptive treatment: Follicle-stimulating hormone-secreting pituitary adenoma case report and literature review

Follicle-stimulating hormone (FSH)-producing pituitary neuroendocrine tumor is very rare and usually present with menstrual disorders, ovarian cysts, polycystic ovary morphology (PCOM), and so on. It is often confused with polycystic ovary syndrome (PCOS) and is difficult to diagnose. Missed or misdiagnosis may lead to unnecessary surgical injury or severe neurologic damage. We describe the case of a 37-year-old woman with persistent menstrual disturbances and ovarian cysts. Because of unceasing...

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Yang Yang, Lin Qiao, Jing Zhang,

Study on the Effects and Mechanisms of Sea Buckthorn Fruit Pulp in Improving Polycystic Ovary Syndrome

Polycystic ovary syndrome (PCOS) is a common endocrine and metabolic disorder characterized by ovarian dysfunction, hyperandrogenism, and insulin resistance. This study investigated the therapeutic effects and potential mechanisms of sea buckthorn pulp (Pu; Hippophae rhamnoides fruit pulp) in a letrozole-induced PCOS mouse model. PCOS-like mice were established by letrozole administration combined with a high-fat diet and subsequently treated with Pu or metformin for 39 days. Body weight,...

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Han Xiaoya, Yang Yuanyuan, Peng Qingjie, Chen Xiaojiang, Ma Cunling, Li Na, Tian Xiaofan, Wu Xin, Liu Hetao, He Rui,

Beyond awareness: social media, artificial intelligence, and the PCOS knowledge gap among women in Palestine

CONCLUSION: Among respondents in this online Palestinian sample, PCOS recognition was broad, but actionable objective knowledge remained incomplete. Social media exposure and AI use were common; however, AI use was not independently associated with awareness or knowledge after adjustment, suggesting that it may reflect broader digital information-seeking rather than independently improving PCOS literacy. Structured, clinician-supported, and culturally responsive digital health literacy programs...

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Aisha M Zoabi, Layan A Salah, Tasneem Z Deeb, Jana N Igbaria, Adele A Mustafa, Qamar M AbedRabbo, Sadeen F Amer, Deema N Al-Muhtaseb, Taimaa Z Al-Haddad, Dyalla A Kayed, Mayar Z Deeb, Dareen A Al Qasrawi, Alhareth M Amro, Salahaldeen Deeb,

Efficacy of acupuncture therapies for polycystic ovary syndrome: a network meta-analysis

CONCLUSION: No statistically significant differences were observed between single and combined acupuncture therapies. However, modalities incorporating electrical, thermal, or sustained stimulation appear to be more effective. Given the methodological limitations of the included studies, high-quality, rigorously designed RCTs are warranted to validate these findings.

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Ning Yang, Yunxi Li, Hailin Jiang, Rulin Wang, Qi Zhang, Qingqing Tang, Huiying Liu, Yuhong Xie, Sixian Wang, Zhijie Li, Zhihao Dong, Jinying Zhao, Fuchun Wang,

PCOS Serum Promotes Endometrial Cancer Cell Proliferation with Partial Involvement of IGF-Associated AKT/mTOR Signaling: A Pilot Translational Study with Exploratory Molecular Insights

Women with polycystic ovary syndrome (PCOS) have a substantially increased risk of endometrial cancer (EC), yet the biological mechanisms underpinning this association, to support future prevention and therapeutics, remain incompletely understood. Insulin-like growth factor (IGF)-associated signaling has been implicated, but existing evidence is conflicting. In this pilot translational study, serum IGF1 and IGFBP-3 were measured in women with PCOS (n = 12 for IGF1 and n = 6 for IGFBP-3) and...

Published on: Thu, 13 Aug 2026 06:00:00 -0400

Authors: Neha Sharma, Mahmood Hachim, Syeda Sadaf Rizvi, Baila Samreen, Sumayya Inuwa, Tasneem AbuHajjaj, Fatima Ba Khamis, Fatma Alqutami, Aaron Han, Ibrahim Elrahman, Aparna Gumma, Uloma Okwuosa, Komal Hazari, Muna Tahlak, Fadi G Mirza, William Atiomo,

Integrative Analysis Reveals Multi-Target Associations of Liquid Crystal Monomer in Ovulatory Dysfunction: Insights from Composite and Subtype-Specific Mendelian Randomization

CONCLUSION: This integrative investigation identifies inflammatory regulators, xenobiotic-metabolizing enzymes, and cellular pathway proteins as potential mediators genetically associated with ovulatory dysfunction risk. However, whether EBCN directly affects these proteins and thereby contributes to ovulatory pathology remains to be experimentally validated. The findings provide prioritized targets and testable hypotheses for future experimental studies and environmental risk assessment.

Published on: Wed, 12 Aug 2026 06:00:00 -0400

Authors: Yifu Pu, Yupei Xie, Chunmiao Li,