Endocrine Abstracts

Introduction: Although a number of studies have reported on the External Masculinisation Score (EMS) and have validated its use for numerical descriptions of the external genitalia, the methodology in these studies has not considered longitudinal changes in EMS.Objectives: To examine longitudinal changes in EMS in boys with XY Disorders of Sex Development (DSD) and determine the causes of these changes.Methods: All boys of confirme...