1. Current findings in epidemiology -- 2. Precocious puberty and environmental endocrine disruptors -- 3. Neuroendocrine control of puberty -- 4. Puberty in particular situations -- 5. Clinical and biological diagnosis of central precocious puberty -- 6. Etiological diagnosis of central precocious puberty -- 7. Precocious puberty therapeutic management: GnRH analogs treatment -- 8. Midterm and long-term impacts of GnRH agonists treatment.