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: Gynaecology & Obstetrics
The most common site of vulval cancer: 
Select and explain. 
A. Labia majora, B. Labia minora, C. Prepuce of the clitoris, D. Bartholin's gland
A: Labia majora
Answer: A: Labia majora 
Explanation: None