A 9-year-old girl presents for evaluation of regular vaginal bleeding. History reveals the thelarche at the age of 7 years and adrenarche at the age of 8 years. The most common cause of this condition in girls is:
High-Yield Explanation
Pubeal changes before the age of 8 years in girls and 9 years in boys are considered as Precocious pubey Most common cause of precocious pubey in girls - Idiopathic Others causes: Congenital lesions of the hypothalamus-pituitary Acquired lesions--trauma, infection, neoplasm-- tuberculosis (TB) meningitis in childhood Pa of a specific syndrome--McCuneAlbright (5%), von Recklinghausen's neurofibrobromatosis Endocrine/metabolic disorders