<prompt> Most common cause of peripheral precocious pubey in males?Congenital adrenal hyperplasiaConstitutionalKlinefilters syndromeCNS pathology  <response>: Most common cause of peripheral precocious pubey in males-Congenital adrenal hyperplasia Precocious pubey- onset of pubey 8 years girls, 9 years boys MC cause of central precocious pubey boys - CNS pathology hypothalamic hemaoma girls - idiopathic MC cause of peripheral precocious pubey boys - CAH girls - ovarian causes MC cause of delayed pubey both in boys girls- constitutional growth delay 