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Idiopathic central precocious puberty: A case report

Mariel Anne C. dela Rea, MD and Marian C. Dichoso, MD, FPOGS
Department of Obstetrics and Gynecology, De La Salle University Medical Center

Central precocious puberty is characterized by early pubertal changes, acceleration of growth velocity, and rapid bone maturation. It is a relatively rare disorder, with an incidence rate of about 1 : 5000 – 1 : 10 000 individuals in the general population; it is more frequent in girls than in boys. This is a case of a 7 year-old female complaining of onset of menstruation. Physical examination revealed advanced pubertal changes of Tanner stage 4-5 for breast and stage 3 for pubis. Diagnostic evaluation revealed well developed internal genitalia, markedly elevated LH levels, advanced bone aging and a normal cranial MRI. Based on clinical and diagnostic evaluations, a diagnosis of idiopathic central precocious puberty was made and the patient was started on GnRHa therapy. It is important to initiate therapy early in patients with central precocious puberty so as to prevent compromised adult height and psychosocial embarrassment.