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
Chassar Moir surgery is done is a case of 
Select and explain. 
A. Uterine inversion, B. Vesicovaginal fistula repair, C. Ureterovesical fistula repair, D. Retroverted uterus
B: Vesicovaginal fistula repair
Answer: B: Vesicovaginal fistula repair 
Explanation: Chassar moir technique is widely used in the repair of vesicovaginal fistula.
Vagina and bladder are separated all around by flap splitting method and sutured separately in two layers.