Pelvic Ultrasonography for Idiopathic Central Precocious Puberty in Girls: A Retrospective Diagnostic and Temporal Validation Study0 views•2026•MedicineRonglong Li1, Qiu Mei1, Yanli Guo1Ronglong Li1Qiu Mei1Yanli Guo11Department of Ultrasound, The First Hospital Affiliated to Army Medical UniversityDepartment of Ultrasound, The First Hospital Affiliated to Army Medical University