<prompt> A 32-year lady with uterine fetal death after normal vaginal delivery continues passing of urine from vagina. What is the most probable diagnosis?Bladder ruptureVesicovaginal fistulaUrge incontinenceStress incontinence  <response>: Most probable diagnosis of above case is Vesicovaginal fistula Causes of Vesicovaginal fistula Obstetric causes Obstructed labor Faulty instrumentation Destructive operations Gynecological causes Hysterectomy Weheim: ureteric dissections Radiation injuries: painful fistula Presentation: Constant dribbling of urine Vulva and thighs are excoriated Splash dysuria UTI Best investigation for VVF: Cystoscopy Other test done in VVF: Three swab test 