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
True about chancre is all except 
Select and explain. 
A. Tender ulcer, B. Raised borders, C. Round border, D. Heal by 6 weeks spontaneoulsy
A: Tender ulcer
Answer: A: Tender ulcer 
Explanation: Chancre is non-tender ulcer seen in primary syphilis.