I. Asymptomatic bacteriuria is diagnosed by prenatal urine culture screening, and it is defined as a colony count $ 105 organisms per milliliter. Patients with symptomatic cystitis should be treated with oral antibiotics without waiting for urine culture results.
A. Approximately 80% of infections are caused by Escherichia coli; 1015% are due to Klebsiella pneumonia or Proteus species; 5% or less are caused by group B streptococci, enterococci, or staphylococci.
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