Endocrine and Metabolic – Polyendocrine Metabolic Ovarian Syndrome (PMOS)
Polyendocrine Metabolic Ovarian Syndrome (formerly Polycystic Ovary Syndrome) Background
Disease Etiology
Polyendocrine metabolic ovarian syndrome (PMOS) formerly named polycystic ovary (or ovarian) syndrome (PCOS) is a complex, chronic endocrine and metabolic condition with no single underlying cause. The terminology was officially changed in 2026 to better reflect that the condition affects multiple systems—not simply the ovaries (1). The terminology used in the background is based on the older terminology: polycystic ovary (or ovarian) syndrome (PCOS). The word ‘cyst’ is
Polyendocrine metabolic ovarian syndrome (PMOS) formerly named polycystic ovary (or ovarian) syndrome (PCOS) is a complex, chronic endocrine and metabolic condition with no single underlying cause. The terminology was officially changed in 2026 to better reflect that the condition affects multiple systems—not simply the ovaries (1). The terminology used in the background is based on the older terminology: polycystic ovary (or ovarian) syndrome (PCOS). The word ‘cyst’ is