The Great Renaming: Why PCOS Is Now PMOS and What It Means for Global Health (opens in new tab)

On May 12, 2026, the medical community officially renamed Polycystic Ovary Syndrome (PCOS) to Polyendocrine Metabolic Ovarian Syndrome (PMOS). This landmark change, published in The Lancet, follows a 14-year global effort to better reflect the condition's multisystem, metabolic nature. Affecting 170 million women, PMOS moves the focus away from non-existent "cysts" and toward the systemic hormonal and metabolic imbalances that define the disease.