‘Unprecedented’ global effort gives new name to polycystic ovary syndrome – and new hope to millions of women

Decades-long campaign powered by patient perspectives results in switch from PCOS – a name that caused confusion and undue suffering – to PMOS

• What is PCOS, what are the symptoms and treatment, and why is it being renamed PMOS?

After more than a decade of global consultation, polycystic ovary syndrome (PCOS) – a condition that affects one in eight women – has been renamed.

The hormonal disorder, estimated to impact 170 million women worldwide, will now be known as polyendocrine metabolic ovarian syndrome (PMOS).