The bacteria is present into the bladder,urethra and kidney. When the bacteria gets experience of the urine, it multiply within it and accross its rejection with urine beyond body, it contaminates the urinary tract and results in what it's named the urinary tract infectio(UTI) and symptomised by an urge to urinate plus a sensation of burning with the urination and subsequently with intermittent passing small burned levels of urine. The last point is a controversial issue. For years doctors have said sperm are dewdrops.