This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Adolescence, Subject name: Pediatrics
Penile growth occurs during SMR stage 
Select and explain. 
A. 1, B. 2, C. 3, D. 4
C: 3
Answer: C: 3 
Explanation: In males, the first visible sign of pubey and the hallmark of SMR2 is the testicular enlargement. Penile growth occurs during stage 3.Reference: Nelson Textbook of Paediatrics; 20th edition