Detection Of Klebslla In Urine During Period Of Pregency It

Detection of klebslla in urine during period of pregency It is not considered as normal flora of intestine or urinary tract or bladder what could be the source of contaminatin what concentration in urine is considered critical for antibiotic treatment in pregenent women of 6 month pregency What antibiotic treatment is suggestive for such situation did you recommend oral antibiotic or i intravenous injection ?