Precocious puberty

• What is precocious puberty?


  Development of secondary sexual characteristics before 8 years in females and 9 years in males
• What is thelarche?


  1st stage of breast development
• What is adrenarche?


  1st stage of pubic hair development
• What are the 2 different types of precocious puberty?

  Gonadotrophin dependent

  Gonadotrophin independent
• What are the hormone levels in gonadotrophin dependent precocious puberty?


  Raised FSH and LH
• WHat are the hormone levels in gonadotrophin independent precocious puberty?


  Low FSH and LH
• How does precocious puberty present in males?


  Testes:

  • Bilateral enlargement: gonadotropin release from intracranial lesion
  • Unilateral enlargement: Gonadal tumour
  • Small: Adrenal cause
• How does precocious puberty present in females?


  Usually idiopathic or familial