What do you think it could possibly be?

Ok girls....i need your help...

so I went to the doctor last Friday and they took a urine sample. now this morning I got a call saying that they needed to see me asap today. they want to take another urine sample due to the fact that they found bacteria and a high white blood cell count...i asked my doc if she could give me an idea on what it might be and she told me that she can talk to me when I get to the office. so I guess what I'm asking is what do you think it could possibly be?
What do you think it could possibly be?
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