This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Gynaecology & Obstetrics
Which one of the following in NOT a characteristic feature of bacterial vaginosis? 
Select and explain. 
A. Presence of clue cells, B. Thick white discharge, C. Vaginal pH>4.5, D. Fishy odour
B: Thick white discharge
Answer: B: Thick white discharge 
Explanation: Vaginitis Bacterial vaginosis Candidiasis Trichomonas vaginitis Organism Gardnerella vaginosis Candida Trichomonas vaginalis M/C PH >4.5 <4.5 >4.5 STD Not an STD Not an STD usually STD M/C Complaint Foul smellingDiy white discharge Intense puritis curdy white cottage cheese like discharge Profuse frothy greenish yellow discharge IOC Saline microscopy clue cells are seen Saline microscopy pseudohyphae seen Saline microscopy typical motile flagellated trichomonas seen Gold standard investigation Amsler's criteria nugent scoring SDA medium Diamond media DOC Metronidazole Fluconazole Metronidazole Whift test (10% KOH to discharge) (+) (-) May be (+) or (-) due to its association with bacterial vaginosis