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
Ulceration of the vulva is commonly seen in all except: 
Select and explain. 
A. Bacterial vaginosis, B. Syphilis, C. Chancroid, D. Behget's disease
A: Bacterial vaginosis
Answer: A: Bacterial vaginosis 
Explanation: Vulval ulcers
Vulval ulcers are predominantly due to sexually transmitted diseases. Rarely, it may be due to non-specific causes.
Malignant ulcer is also rare. The various etiological factors related to vulval ulcers are given in the below Table.
Table: Ulcers of the Vulva