<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: The commonest site of surgical uretero-vaginal fistula is:
Options:
A. Below infudibulopelvic ligament
B. Below uterine aery in the mackenrodts ligament
C. Vaginal angle
D. Above uterine aery
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is B: Below uterine aery in the mackenrodts ligament. Explanation: B. i.e. Below uterine aery in Mackenrodt's ligament Maximum chances of ureteric injury is in hysterectomy while ligating uterine vessels in mackenrodt's ligament Ureter is also vulnerable to injury when ovarian vessels are being ligated during ovariectomy.<|im_end|>
