{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T07:25:02Z","timestamp":1778657102368,"version":"3.51.4"},"reference-count":33,"publisher":"Cambridge University Press (CUP)","issue":"3","license":[{"start":{"date-parts":[[2013,5,31]],"date-time":"2013-05-31T00:00:00Z","timestamp":1369958400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["journals.cambridge.org"],"crossmark-restriction":true},"short-container-title":["Epidemiol. Infect."],"published-print":{"date-parts":[[2014,3]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>This study aimed to describe<jats:italic>Toxoplasma gondii<\/jats:italic>prevalence in Polish pregnant women and the incidence rates of congenital infections in their neonates observed between 2004 and 2012. Serological tests for<jats:italic>T. gondii<\/jats:italic>-specific IgG and IgM antibodies were performed on serum samples of 8281 pregnant women treated at the Polish Mother's Memorial Hospital Research Institute in Lodz. The yearly seroconversion rate for<jats:italic>T. gondii<\/jats:italic>IgG antibodies was estimated using a mathematical model to determine the dependency between age and prevalence. Mean prevalence of IgG antibodies between 2004 and 2012 in pregnant women was 40\u00b76% [95% confidence interval (CI) 39\u00b76\u201341\u00b77] and increased with age with a yearly seroconversion rate of 0\u00b78% (95% CI 0\u00b76\u20131\u00b70,<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00\u00b7001). Assuming a<jats:italic>T. gondii<\/jats:italic>materno-fetal transmission rate of 30% gave an estimate of 1\u00b780\/1000 neonates as congenitally infected. The increased mean age (28\u00b77<jats:italic>vs<\/jats:italic>26\u00b77 years,<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00\u00b7001) of pregnant women was probably the most important factor in abolishing the effect of falling prevalence rates.<\/jats:p>","DOI":"10.1017\/s0950268813001179","type":"journal-article","created":{"date-parts":[[2013,5,31]],"date-time":"2013-05-31T08:57:39Z","timestamp":1369990659000},"page":"656-661","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":35,"title":["Age-associated prevalence of<i>Toxoplasma gondii<\/i>in 8281 pregnant women in Poland between 2004 and 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