This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometrial Carcinoma and Hysterectomy, Subject name: Gynaecology & Obstetrics
A 55-year old woman has recurrent urinary retention after a hysterectomy done for a huge fibroid. The most likely cause is: 
Select and explain. 
A. Atrophic and stenotic urethra, B. Lumbar disc prolapse, C. Injury to the bladder neck, D. Injury to the hypogastric plexi
D: Injury to the hypogastric plexi
Answer: D: Injury to the hypogastric plexi 
Explanation: Out of the given options, injury to bladder neck and hypogastric plexus are associated with hysterectomy which can lead to urinary retention Injury to the bladder neck can result in a retention or even incontinence, but the more common cause is the injury to the hypogastric plexus of nerves with carries the efferents for bladder control