This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary Fistulas, Subject name: Gynaecology & Obstetrics
Urinary incontinence in females is best investigated by: 
Select and explain. 
A. Cystometry, B. Colonoscopy, C. Colposcopy, D. Cystoscopy
A: Cystometry
Answer: A: Cystometry 
Explanation: Ans. is a, i.e. Cystometry(Ref: William Gynaec 3rd/ed, p526)Diagnostic procedures in urinary continence include-* Urinalysis and culture to rule out infection* Post voidal residual volume* Urodynamic studies done by cystometry.