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
Treatment of both paners is mandatory in all the following except : 
Select and explain. 
A. Trichomonas vaginalis, B. Candida infection, C. Gardenella vaginalis, D. Herpes infection
C: Gardenella vaginalis
Answer: C: Gardenella vaginalis 
Explanation: Gardenella vaginalis