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
[{'content': 'Precocious puberty in females is defined as \nSelect and explain. \nA. 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', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 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', 'role': 'assistant'}]