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VOLUME 62•NUMBER 5•SEPTEMBER-OCTOBER 2012
ORIGINAL ARTICLES - OBSTETRICS
Prevalance of Pregnancy Associated Asymptomatic Bacteriuria: A Study Done in a Tertiary Care Hospital
Urinary tract infections (UTIs) are one of the commonest of all infections. Asymptomatic bacteriuria is one of the clinical manifestations of UTI.
Urinary tract infections (UTIs) are one of the commonest of all infections. Asymptomatic bacteriuria is one of the clinical manifestations of UTI. It is defined as persistently and actively multiplying bacteria in significant numbers i.e., 105 bacteria per milliliter (ml) with in the urinary tract without any obvious symptoms. It is also known as Covert bacteriuria. The term asymptomatic bacteriuria of pregnancy refers to the presence of a positive urine culture in an asymptomatic pregnant female. Females are more susceptible for these infections because of short urethra.
The pregnant females are two times more commonly affected than age matched non pregnant females. The reason behind is urinary stasis due to progesterone effect in pregnancy in addition to different anatomical changes occurring during pregnancy. Various studies from the west have documented the prevalence of asymptomatic bacteriuria in pregnancy to be between 2 and 7% while in India it was found to be on higher side i.e., between 5 and 12%. Commonest organisms responsible are Escherichia coli (80–85%), followed by coagulase negative Staphylococcus spp,. Klebsiella spp., Pseudomonas spp., and Proteus spp.