hi i did pvp surgery for urinary incontinence befor 8 months,i am afemale 39 years old,after surgery i had urinary retention thus they did catheterization for two days then the urine pass but after that ,the urinary stream is low,they told me the sling is tight which cause this problem,before one week i had UTI which cause urinary retention before using the antibiotic,after one day of antibiotic the urine pass normally,i afraid of return back of retention,and is the sling is realy tight?regards