Recurrent chlamydial infections increase the risks of hospitalization for ectopic pregnancy and pelvic inflammatory disease


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Abstract

ObjectiveWe examined whether the risks of hospitalization for ectopic pregnancy and pelvic inflammatory disease increase with increasing numbers of chlamydial infections.Study DesignA retrospective cohort design was used to evaluate the risks of hospitalization for ectopic pregnancy or pelvic inflammatory among 11,000 Wisconsin women who had one or more chlamydial infections between 1985 and 1992. Logistic regression was used to evaluate the strength of association between recurrent infection and sequelae.ResultsAfter adjustment in multivariate analyses, we observed elevated risks of ectopic pregnancy among women who had had two (odds ratio 2.1, 95% confidence interval 1.3 to 3.4) and three or more chlamydial infections (odds ratio 4.5, 95% confidence interval 1.8 to 5.3). These groups were also at increased risk for pelvic inflammatory (two infections: odds ratio 4.0, 95% confidence interval 1.6 to 9.9; three or more infections: odds ratio 6.4, 95% confidence interval 2.2 to 18.4).ConclusionsA unique prevention opportunity occurs at the diagnosis of any chlamydial infection because women with subsequent recurrences are at increased risk for reproductive sequelae. (Am J Obstet Gynecol 1997;176:103-7.)

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