Question
An 11-month-old baby has shown symptoms of precocious puberty, including breast development and axillary hair growth. The parents are confused about why the baby is experiencing precocious puberty and are seeking treatment methods.
Answer
Precocious puberty can be categorized into true precocious puberty, false precocious puberty, and incomplete precocious puberty. True precocious puberty is caused by the premature activation of the hypothalamus-pituitary-gonadal axis, while false precocious puberty is due to abnormal excessive sources of sex hormones. Incomplete precocious puberty is characterized by breast or pubic hair development without accompanying other sexual characteristics. For the diagnosis of precocious puberty, a detailed etiological investigation should be conducted, including cranial magnetic resonance imaging, wrist bone age, gonadal ultrasound, and endocrine hormone level measurements. Treatment methods vary depending on the cause, so it is recommended that parents bring their child…