Infant urine infection and weight

Patient: My daughter is 1.5 months oldher weight was 3.8 kg when she was 1 month old, birth weight was 3.6 kg.she is on formula milk breast we did her urine analysis which resulted:S.G 1.015PH 6.5Pus cells 2Red cells OccationalEpithelial cells Fewplease comment on these and advice me wether the condition is normal?