Endocrine and Metabolic – Polyendocrine Metabolic Ovarian Syndrome (PMOS)

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). 

Key clinical features  of PMOS include (2):

• Ovulatory dysfunction – irregular or infrequent menstrual cycles and anovulation, which may contribute to