Background: We explored the impact of maternal sociodemographic parameters on the prevalence of chlamydial and gonorrheal infection in pregnancy in a large United States population of live births.
Methods: Retrospective analysis of the Centers for Disease Control and Prevention Natality Live Birth database (2016-2019). We compared pregnancies complicated by maternal infection with either gonorrhea or chlamydia to those without gonorrheal or chlamydial infection, separately. Both analyses included assessment of multiple maternal sociodemographic factors, which were compared between the 2 groups. Multivariable logistic regression was performed to evaluate the association of these factors with gonorrheal or chlamydial infection in pregnancy.
Results: Of the 15,341,868 included live births, 45,639 (0.30%) were from patients who had gonorrheal infection, and 282,065 (1.84%) were from patients who had chlamydial infection during pregnancy. Concurrent infection with chlamydia and gonorrhea was associated with the highest risk of gonorrhea and chalmydia in pregnancy (adjusted odds ratio, 26.28; 95% confidence interval, 25.74-26.83, and adjusted odds ratio, 26.03; 95% confidence interval, 25.50-26.58, respectively). Young maternal age, low educational attainment, non-Hispanic Black race/ethnicity, concurrent infection with syphilis, and tobacco use were also associated with a substantial increase in the risk of gonorrheal and chlamydial infection in pregnancy.
Conclusions: Several sociodemographic factors including young maternal age, low educational attainment, Medicaid insurance, and non-Hispanic Black race/ethnicity, are associated with a marked increase in the risk for gonorrheal and chlamydial infection in current US pregnancies. These data may be used to better screen, educate, and treat pregnancies of vulnerable populations at risk for such infections.
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