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
The most appropriate method for collecting urine for culture in case of vesicovaginal fistula is : 
Select and explain. 
A. Suprapubic needle aspiration, B. Midstream clean catch, C. Foley's catheter, D. Sterile speculum
C: Foley's catheter
Answer: C: Foley's catheter 
Explanation: Foley's catheter