hi! my urinalysis result says routine: color yello, transparency hazy, specific gravity 1.015, ph 6.0 blood + protien negative, glucose negative ketone negative, Microscopic: WBC 1-4/hpf, rbc 5-9/hpf, casts NONE epithelial cells few, mucucs threads few, amorphous urates few bacteria few and crystals none.. is it just normal or do i have infection?