WHO’s 2026 ICD-11 Update Names Endometriosis, Adenomyosis as Distinct Medical Conditions

Why the Renaming Matters: From "Painful Periods" to Recognized Disease

The 2026 update to the International Classification of Diseases (ICD-11) has officially included “menstrual disorder, not elsewhere classified” as a distinct diagnostic category—expanding recognition of conditions like endometriosis and adenomyosis under a unified medical umbrella. This change, announced by the World Health Organization in May 2026, follows years of advocacy by patient groups, who argue … Read more