Precocious puberty is diagnosed when -

• A. Secondary sexual characteristics appear before 8 years, menstruation occurs before 10 years
• B. Secondary sexual characteristics appear before 10 years, menstruation occurs before 8 years
• C. Secondary sexual characteristics appear before 6 years, menstruation occurs before 8 years
• D. Secondary sexual characteristics appear before 8 years, menstruation occurs before 6 years