Why PCOS Is Being Renamed — And Why It Matters for Women’s Health
For years, the term Polycystic Ovary Syndrome (PCOS) has caused confusion among both patients and healthcare professionals. Now, after a major international effort involving medical experts and patient advocacy groups, the condition is being renamed Polyendocrine Metabolic Ovarian Syndrome (PMOS) — a move many believe is long overdue.
The change reflects a growing understanding that the condition is far more complex than its original name suggests.
Why the Name PCOS Has Been Problematic
Despite the name, many women diagnosed with PCOS do not actually have ovarian cysts. The term has often led people to believe the condition is purely reproductive or limited to the ovaries, when in reality it affects multiple systems throughout the body.
Experts say the old terminology has contributed to:
- delayed diagnosis
- misunderstandings around symptoms
- limited awareness of metabolic complications
- oversimplified treatment approaches
The new name, PMOS, aims to better capture the hormonal, metabolic and reproductive aspects of the condition. [Source]
A Condition That Affects More Than Fertility
PMOS is one of the most common hormonal disorders affecting women of reproductive age, with estimates suggesting it impacts around 1 in 8 women globally.
While irregular periods and fertility concerns are often the most recognised symptoms, the condition can also involve:
- insulin resistance
- weight gain
- acne
- excess facial or body hair
- scalp hair thinning
- fatigue
- mood changes
- increased long-term risk of type 2 diabetes and cardiovascular disease
Research increasingly shows that PMOS is closely linked to metabolic health and endocrine dysfunction, rather than being solely an ovarian condition. [Source]
Why Patients Have Welcomed the Change
Many women living with the condition have said the previous name never reflected their experience.
Some patients diagnosed with PCOS reported never having cysts on their ovaries at all, while others felt healthcare conversations focused too heavily on fertility and overlooked symptoms affecting their mental wellbeing, skin, metabolism and overall quality of life.
Advocates hope the new terminology will:
- improve public understanding
- encourage earlier diagnosis
- reduce stigma
- promote more holistic treatment
The renaming is also expected to support better education for healthcare professionals and greater awareness of the condition’s lifelong health implications. [Source]
What This Means Going Forward
Although the name is changing, the condition itself — and the need for effective diagnosis and treatment — remains the same.
Healthcare organisations are expected to gradually adopt the new terminology over the coming years, alongside updated clinical guidelines.
For patients, the shift represents more than a wording update. It signals a broader recognition that this is a complex, whole-body condition requiring comprehensive and individualised care.
As understanding evolves, many experts hope the move to PMOS will lead to improved support, earlier intervention and better long-term outcomes for millions of women worldwide.
Concerned You May Have Symptoms of PMOS?
If you’re experiencing symptoms such as:
- irregular or missed periods
- difficulty getting pregnant
- acne or oily skin
- unwanted facial or body hair growth
- thinning hair or hair loss
- unexplained weight changes
- pelvic discomfort
- fatigue or persistent hormonal symptoms
…it’s important not to ignore them.
Hormonal and metabolic conditions like PMOS can affect women differently, and early assessment can help identify the underlying cause and support appropriate treatment and long-term health management.
At London Gynaecology, our specialist consultants provide expert assessment, investigations and personalised care for women experiencing symptoms linked to PMOS and other gynaecological conditions.
If you’re concerned about your symptoms or would like further advice, you can book an appointment with our team