This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Obs), Subject name: Gynaecology & Obstetrics
Precocious puberty in females is defined as 
Select and explain. 
A. Occurrence of menarche before age of 8 years, B. Occurrence of menarche before age of 12 years, C. Appearance of secondary sexual characteristics before 8 years, D. Appearance of secondary sexual characteristics before 10 years
C: Appearance of secondary sexual characteristics before 8 years
Answer: C: Appearance of secondary sexual characteristics before 8 years 
Explanation: Ans. C. Appearance of Secondary sexual characteristics before 8 years* Precocious puberty: This is defined as the appearance of any of the secondary sexual characteristics before the age of 8 years or the occurrence of menarche before the age of 10 years* Precocious puberty in females is pubertal changes before the age of 8 years.* In males it is onset of puberty before the age of 9 years