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Chicago, IL
A 47-year-old female asked:

When my urine is tested with first thing in the morning urine, its negative for microscopic blood but when its tested later the same day its positive for trace microscopic blood.trace rbc seen with microscope.not menstruating and normal cystoscopy

1 doctor answer1 doctor weighed in
Dr. Ralph Boling
Obstetrics and Gynecology 40 years experience
Many things,: could cause this, kidney or ureter problems, Interstitial cystitis/painful bladder syndrome, infection, to name a few. Please continue to follow with your doctor's recommendations.
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Last updated Mar 2, 2020

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