World PCOS Day is observed globally on 1st September as part of PCOS Awareness Month, a worldwide campaign held every September to increase understanding of polycystic ovary syndrome (PCOS), a complex endocrine disorder affecting millions of women. The day serves as a focal point for education, advocacy, early diagnosis, and reducing stigma.
World PCOS Day highlights the urgent need for:
- Early diagnosis — PCOS often has a diagnostic delay of 2+ years from first symptoms.
- Accurate information — Up to 70% of cases remain undiagnosed, largely due to misconceptions and inconsistent diagnostic criteria.
- Global awareness — PCOS affects 6–13% of women of reproductive age worldwide, making it one of the most common hormonal disorders.
- Empowerment — Encouraging women to seek care, understand symptoms, and advocate for themselves.
The official awareness colour is teal, symbolising solidarity and visibility for the PCOS community.
Origins of World PCOS Day
World PCOS Day is rooted in the broader movement of PCOS Awareness Month, formally launched by the PCOS Awareness Association (PCOSAA) in September 2011.
September was chosen because it aligns with the period when many people resume medical check-ins after summer, making it an effective time for outreach, screening campaigns, and educational initiatives.
Why Awareness Matters
PCOS is not just a reproductive condition, it affects metabolic, hormonal, and mental health:
- Leading cause of anovulatory infertility worldwide.
- Up to 70% of women with PCOS have insulin resistance.
- Women with PCOS experience 3× higher rates of depression and anxiety.
World PCOS Day helps break stigma, encourages open conversation, and pushes for better clinical guidelines and research funding.
How World PCOS Day Is Celebrated
Across the globe, individuals, clinics, and advocacy groups participate through:
- Teal‑themed campaigns on social media
- Educational webinars hosted by endocrinologists and reproductive specialists
- Community walks and fundraisers supporting research
- Healthcare outreach promoting early screening and symptom recognition
- Story‑sharing initiatives to reduce stigma and empower women
Key Symptoms Highlighted on World PCOS Day
| Symptom | Description |
|---|---|
| Irregular periods | Disrupted ovulation and cycle patterns |
| Hyperandrogenism | Acne, excess hair growth, hair thinning |
| Polycystic ovaries | Multiple follicles visible on ultrasound |
| Metabolic issues | Insulin resistance, weight changes |
| Mood symptoms | Higher rates of anxiety and depression |
Global Impact
World PCOS Day strengthens international collaboration among:
- Patient advocacy groups
- Endocrinology societies
- Fertility clinics
- Mental‑health organisations
Together, they work to reduce diagnostic delays, improve treatment access, and promote research into long‑term health outcomes.
Key Takeaway
World PCOS Day is a powerful global reminder that PCOS is common, serious, and widely misunderstood. By raising awareness every 1st September, the movement helps millions of women access earlier diagnosis, better care, and stronger community support.

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