Prevalence of asymptomatic bacteriuria and antimicrobial resistance profile among pregnant females in a Tertiary Care Hospital

Background and Objectives: Urinary tract infection (UTI) is the most common clinical finding during pregnancy, and if it is asymptomatic bacteriuria (ASB), it can progress to pyelonephritis, leading to further complications. The present study aims to know the prevalence of ASB in pregnant females and the antimicrobial resistance pattern in our hospital setup. Materials and Methods: A total of 552 urine samples were collected from pregnant females (with no symptoms of UTI) both attending outpatient department and admitted in the wards of obstetrics and gynecology department. Urine culture was performed on blood agar, MacConkey agar, and UTI chromogenic agar. Antibiotic sensitivity test was done using Kirby-Bauer disc diffusion method, and the results were interpreted. Results: The prevalence rate of ASB in pregnant females was 17.4%. It was common in the age group of 25–33 years (60.4%). The infection rate was higher in the second trimester (43.7%) compared to the third (29.2%) and first (27.1%) trimester. Multiparity (60.4%) was a common finding in ASB during pregnancy. There was a significant finding of previous history of UTI (22.9%) and anemia (58.3%) associated with ASB in pregnant females. Escherichia coli (39.2%) was the most common microorganism isolated followed by Staphylococcus aureus (34.3%), Enterococcus faecalis (14.7%), Klebsiella (4.9%), coagulase-negative Staphylococcus spp. (2.9%), and Citrobacter and Acinetobacter (1.9%). Most sensitive drugs to be given in ASB during pregnancy were nitrofurantoin and fosfomycin. Conclusion: It was emphasized that urine culture should be done in early antenatal visit as routine screening to identify ASB in pregnant females as it can prevent fetal and maternal complications.

Abstract licence: CC BY-NC-SA

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