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
Kelly's plication operation is done in: 
Select and explain. 
A. Stress incontinence, B. Vault prolapse, C. Rectal prolapse, D. Uterine prolapse
A: Stress incontinence
Answer: A: Stress incontinence 
Explanation: Ans. is a, i.e. Stress incontinenceRef: Shaw 14th/ed, p174; Textbook of Gynae Sheila Balakrishnan 1st/ed, p330Kelly's plication/Kelley's stitch was the standard first line of treatment for SUI previously but due to low cure rates, it is not being done these days. 5-year failure rate for Kelly's plication is approximately 50%.