Objective In many cases, pregnant women with bacteriuria have no symptoms of a UTI. It is an important risk factor for some complications. This study was performed to determine the incidence of asymptomatic bacteriuria and pyuria in pregnant women.
Methods 86 pregnant women during the first trimester and 56 non-pregnant women were evaluated. All the subjects were clinically identified to have no signs and symptoms of urinary tract infection.
Clean catch midstream urine samples were examined microscopically and cultured by placed on specific and non-specific culture medias. Organisms isolated were identified by laboratory techniques and were tested for antimicrobial sensivity by standard method.
Results Bacteriological examination revealed that 25/86 (29.1%) and 3/56 (5.4%) were positive for asymptomatic bacteriuria in the study group and controls respectively (p<0.05). Microscopic analysis of urine revealed 18/86 (20.9%) and 3/56 (5.4%) were pyuria in the study group and controls respectively (p<0.05) by further biochemical species identification in study group, Escherichia coli were found in 20%, Ataphylococcus epidermidis 36%, Staphylococcus haemolyticus 12%, Streptococcus group D 12%, Staphylococcus saprophyticus 12% and Proteus mirabilis 8%.
In the control group, biochemical species identification showed that Escherichia coli were found in 33.3% and Staphylococcus epidermidis in 66.7%.
Conclusion Our results show that the incidences of asymptomatic bacteriuria were significantly higher in pregnant women than non-pregnant women. The main finding in the present study was that about 29.1% of the pregnant women who were in the first trimester had asymptomatic bacteriuria which is much more than was reported in the literature from other countries.
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