This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually Transmitted Disease in the Female, Subject name: Gynaecology & Obstetrics
M/c cause of vaginal discharge among reproductive age females 
Select and explain. 
A. Trichomonas, B. Candida, C. Bacterial vaginosis, D. Gonorrhea
C: Bacterial vaginosis
Answer: C: Bacterial vaginosis 
Explanation: Ans. is c, i.e. Bacterial vaginosisRef: William Gynae 3rd/ed, p51"Bacterial vaginosis is the most common cause of vaginal discharge among reproductive age women." - Ref: Williams Gynae 3rd/ed, p51.