This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infections of the genital tract, 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. Behcet's disease
A: Bacterial vaginosis
Answer: A: Bacterial vaginosis 
Explanation: ULCERS OF THE VULVA STD related idiopathic tuberculosis malignancy systemic syphilis herpes genitalis chancroid granulomainguinale lymphogranuloma venerum Bechet&;s disease aphthous ulcers lipschutz ulcers tubercular SCC Malignant melanoma basal cell carcinoma leukemia choriocarcinoma SLE Chron&;s disease Lichen planus lichen sclerosis sjogren&;s syndrome D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY,Pg no:262,6th edition