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Bacteriuria in pregnancy.

J Reddy, A Campbell

    The Australian & New Zealand Journal of Obstetrics & Gynaecology
    |August 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Asymptomatic bacteriuria in pregnancy affects nearly 10% of women, with higher rates in Maori and younger populations. Treatment options, including single-dose therapy, are effective, but untreated cases risk pyelonephritis.

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    Area of Science:

    • Obstetrics and Gynecology
    • Infectious Diseases
    • Public Health

    Background:

    • Asymptomatic bacteriuria in pregnancy is a significant health concern.
    • Prevalence varies across different demographic groups.
    • Urinary tract infections during pregnancy can lead to complications.

    Purpose of the Study:

    • To determine the prevalence of asymptomatic bacteriuria in pregnancy in Gisborne, New Zealand.
    • To identify risk factors and common causative organisms.
    • To evaluate the effectiveness of different treatment strategies.

    Main Methods:

    • Cross-sectional study in a racially mixed community.
    • Screening for bacteriuria and pyuria in pregnant women.
    • Identification of bacterial species and antibiotic resistance patterns.

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  • Comparison of outcomes for treated versus untreated women.

    • Main Results:

    • Overall prevalence of asymptomatic bacteriuria was 9.6%, significantly higher in Maori (17.1%) and younger women.
    • Escherichia coli was the most common pathogen (76%), with 44% showing resistance to ampicillin/amoxycillin.
    • 81% of bacteriuric women also had pyuria.
    • Antimicrobial therapy (including single-dose) was 84% effective; spontaneous clearance occurred in 50% of untreated women.
    • Untreated bacteriuria led to acute pyelonephritis in 14% of cases and was associated with anemia and low birth weight.

    Conclusions:

    • Asymptomatic bacteriuria in pregnancy is prevalent in this New Zealand population, with notable ethnic and age disparities.
    • Escherichia coli is the predominant pathogen, exhibiting significant antibiotic resistance.
    • Effective treatment options exist, but untreated infections pose risks of maternal and fetal complications.