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
Manifestation of uretero vaginal fistula is : 
Select and explain. 
A. Overflow incontinence, B. Hydronephrosis, C. Continuous incontinence, D. Stress incontinence
C: Continuous incontinence
Answer: C: Continuous incontinence 
Explanation: Continuous incontinence