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
First sign of pubey in female ? 
Select and explain. 
A. Tanner stage I, B. Tanner stage II, C. Pubic hair, D. Axillary hair
B: Tanner stage II
Answer: B: Tanner stage II 
Explanation: Ans. is `b' i.e., Tanner stage 11 Thelarche- first sign of pubey in Girl around age of 10 year in Girl Definition :- Begining of secondary (Post natal) breast development at onset of pubey in girls. Tanner stage 2 breast development. Because of rising level of estradiol Breast development during pubey in male termed as gynecomastia not thelarche.