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
False about bacterial vaginosis: 
Select and explain. 
A. Itching, B. Clue cells found, C. Gray discharge, D. Fishy odor discharge
C: Gray discharge
Answer: C: Gray discharge 
Explanation: White milky ,non viscous discharge adherant to vaginal wall
ph >4.5
fish odour when mixed with 10%KOH 
clue cells present
minimal vulval irritation seen