This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, Development, and Behavior, Subject name: Pediatrics
Which of the following is the first sign of puberty in girls? 
Select and explain. 
A. Pubarche, B. Thelarche, C. Menarche, D. Growth spurt
B: Thelarche
Answer: B: Thelarche 
Explanation: Ans. b (Thelarche) (Ref OP Ghai 7th/498)PATTERNS OF PUBERTAL DEVELOPMENT# Girls:- Starts at around the age of 10 yrs- Completes in 5 yrs- Sequence is = TPM (Thelarche -Pubarche -Menarche).- Menarche usually 2.5 yrs after thelarche.# Boys:- Puberty starts at 11.5 yrsSequence is = TPPS (Testicular enlargement -Penile enlargement -Pubarche - Spermarche).