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These images show transperineal ultrasound assessment of levator ani for detection of any avulsion and assessment of levator ani hiatus.
Images 2 to 4 show changes in the distance between puborectalis and pubic symphysis known as levator ani hiatus in image 2, on kegel test it decreased as in image 4, while on straining it should be the same with no significant descent of bladder or urethral mobility as in image 3.