Objective: To investigate whether the systemic inflammation induced by chlamydial infections might be associated with symptoms of polycystic ovary syndrome (PCOS).

Design: Nested case-control study.

Setting: A questionnaire including questions about hirsutism and oligo-amenorrhea was distributed to a representative sample of women (at age 31) from the general population-based Northern Finland Birth Cohort. Those who reported both symptoms were defined as symptomatic (n=81).

Patient(s): A representative sample of women (at age 31) from the general population-based Northern Finland Birth Cohort.

Intervention(s): None.

Main Outcome Measure(s): To test the presence of serum antibodies to Chlamydia pneumoniae (IgG titers ≥32) and Chlamydia trachomatis (IgG titers ≥8) by microimmunofluorescence in symptomatic and control women.

Result(s): Antibodies were investigated in 79 symptomatic and 1427 control women (C. pneumoniae) and in 79 symptomatic and 425 control women (C trachomatis). C. trachomatis antibodies (odds ratio [OR], 2.4; 95% confidence interval [CI], 1.3-4.6) and C. pneumoniae antibodies (OR, 1.5; 95% CI, 1.0-2.4) were more commonly present in symptomatic women, and the simultaneous presence of elevated highly sensitive C-reactive protein levels strengthened this association.

Conclusion(s): Chronic inflammation, which is associated with chlamydial infections, could contribute to the pathogenetic processes that lead to the metabolic and hormonal disorders of PCOS.

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Source
http://dx.doi.org/10.1016/j.fertnstert.2009.10.021DOI Listing

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