This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological diagnosis and operative surgery, Subject name: Gynaecology & Obstetrics
Chassar moir surgery is done is case of : 
Select and explain. 
A. Uterine inversion, B. Vesicovaginal fistula repair, C. Ureterovesical fistula repair, D. Retroveed uterus
B: Vesicovaginal fistula repair
Answer: B: Vesicovaginal fistula repair 
Explanation: Chassar moir technique is widely used in repair of vesicovaginal fistula. Vagina and bladder are separated all around by flap splitting method and sutured separately in two layers. Reference: Chapter 18; Genital fistula and urinary incontinence; Shaw&;s textbook of gynecology- 16th edition