This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Which of the following is the first sign of pubey in females? 
Select and explain. 
A. Pubarche, B. Thelarche, C. Menarche, D. Growth spu
B: Thelarche
Answer: B: Thelarche 
Explanation: .