Urinary tract infection (UTI) is one of the most common pathological conditions. The positive prediction for UTI of clinical symptoms oscillates around 0.5 even lower in the case of urethral syndrome in women. An appreciable number of UTIs evolve asymptomatically, and the child under the age of 2 years the symptoms of UTI are nonspecific. The total number of germs in the urine is determined and expressed in UCF / ml. No colonies appeared after 18-24 hours of incubation, so the negative result was released (under 1000UCF / ml or under 103 CFU / ml).