This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Precocious puberty in girls is defined by the onset of secondary sexual characteristic before the age of 
Select and explain. 
A. 5 years, B. 7  years, C. 8  years, D. 9  years
C: 8  years
Answer: C: 8  years 
Explanation: Precocious puberty :
Onset of secondary sexual characteristic before the age of 8 years in girls and 9 years in boys.