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Indian Journal of Obstetrics and Gynecology Research

Aerobic bacterial pathogens causing vaginitis in third trimester of pregnancy

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Author Details: Indu Verma, Sunita Goyal, Vandana Berry, Dinesh Sood

Volume : 4

Issue : 4

Online ISSN : 2394-2754

Print ISSN : 2394-2746

Article First Page : 399

Article End Page : 403


Introduction: Aerobic vaginitis is defined as a disruption of the lactobacillary flora, accompanied by signs of inflammation and the presence of predominantly aerobic microflora, composed of enteric commensals or pathogens. The Lactobacilli are replaced by aerobic facultative pathogens like E.coli, Staphylococcus aureus, group B Streptococci, Klebsiella pneumonia, and Enterococcus species which lead to ascending vaginal infections and various complications of pregnancy.
Aim and Objectives: To analyze the prevalence of aerobic vaginitis in third trimester of pregnancy and to study different aerobic bacterial vaginal pathogens and their antibiogram.
Materials and Method: One hundred and sixty six pregnant women in the third trimester of pregnancy were studied for aerobic pathogens by gram staining and culture- sensitivity. High vaginal swab was taken of all the women and sent for culture and sensitivity. Diagnosis of aerobic vaginitis was made on microscopy and culture report.
Results: Out of total 166 women, 88 were asymptomatic and 78 were symptomatic. Significant aerobic growth was seen in 29 women. Seventeen (21.79%) symptomatic women had positive vaginal culture and 12 (13.64%) asymptomatic women showed positive aerobic vaginal cultures. Six in the asymptomatic group had candidiasis. Commonest aerobic isolate was Enterococcus followed by E. coli and Staphylococcus aureus. We found that the overall prevalence of aerobic vaginitis was17.47%.
Conclusion: High prevalence of aerobic isolates (21.79% in symptomatic and 13.64% in asymptomatic group) may have detrimental implications on the maternal and neonatal wellbeing. We recommend that all women in third trimester should be screened for the presence of vaginal pathogens.
Keywords: Aerobic Bacteria, Aerobic Vaginitis (AV), High vaginal swab, Escherichia coli (E. coli), Staphylococcus aureus (Staph aureus).