Background: This study aims to explore the diagnostic significance of basal sex hormone levels and pelvic B-mode ultrasound in the context of central precocious puberty (CPP) in female children.
Methods: A cohort study was conducted at the Third Affiliated Hospital of Wenzhou Medical University from January 2014 to January 2024. The study enrolled female children exhibiting early breast development before the age of 8 and subjected them to gonadotropin-releasing hormone (GnRH) stimulation tests.