Chlamydia trachomatis Is Associated with Medically Indicated Preterm Birth and Preeclampsia in Young Pregnant Women

Ashley V. Hill, Maria Perez-Patron, Carmen D. Tekwe, Ramkumar Menon, Deanna Hairrell, Brandie D. Taylor

    Research output: Contribution to journalArticlepeer-review

    4 Scopus citations

    Abstract

    Background Studies on Chlamydia trachomatis-associated pregnancy outcomes are largely conflicting, ignoring the heterogeneous natures of pregnancy complications and potential effect modification by maternal age. This study determined if prenatal C. trachomatis infection is associated with preterm birth (PTB) and preeclampsia subtypes. Methods A retrospective cohort study was conducted using 22,772 singleton pregnancies with a prenatal C. trachomatis diagnostic test. Spontaneous and medically indicated PTBs, and term and preterm preeclampsia were outcomes. Modified Poisson regression calculated relative risk (RR) and 95% confidence intervals (CI) with propensity score adjustments stratified by maternal ages <25 and ≥25 years. Results Overall, C. trachomatis was significantly associated with term preeclampsia (adjusted RR [RRadj], 1.88; 95% CI, 1.38-2.57). Among young women (age <25 years), C. trachomatis was significantly associated with medically indicated PTB (RRadj, 2.29; 95% CI, 1.38-3.78) and term preeclampsia (RRadj, 1.57; 95% CI, 1.05-2.36) in propensity-adjusted models. No significant associations in older women were detected. Conclusion C. trachomatis was associated with medically indicated PTB and term preeclampsia in young women. Associations between chlamydia and perinatal outcomes may depend on the subtype of PTB and preeclampsia, which should be investigated through mechanistic studies.

    Original languageEnglish (US)
    Pages (from-to)246-252
    Number of pages7
    JournalSexually Transmitted Diseases
    Volume47
    Issue number4
    DOIs
    StatePublished - Apr 1 2020

    ASJC Scopus subject areas

    • Dermatology
    • Public Health, Environmental and Occupational Health
    • Microbiology (medical)
    • Infectious Diseases

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