hello, my daughter is 2 year old and she just had UTI once for which puss cells were very high 60-70hpf and she was also admitted for same. she had antibiotics for 15 days now her all reports are normal. She also had ultrasound which was normal too. Now doctor has orderd for MCU test i wanted to know is it necessasy for just one time occurance for MCU test as it is invasive i dont want my daughter to have it Also is it painful? and how much time does test take pls help