Аннотация: This paper discusses the use of the O-RADS (Ovarian-Adnexal Reporting and Data System) classification system for ultrasound examination of the ovaries and appendages. O-RADS is a standardized reporting and management system for ovarian and adnexal neoplasms that provides a structured approach for malignancy risk assessment and clinical decision making. The work substantiates the relevance of using O-RADS in Russia, and also analyzes the problems associated with its implementation, training, limitations and updates. The work also addresses the issue of the legality of using O-RADS in clinical guidelines.