{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T22:06:38Z","timestamp":1790633198691,"version":"4.1.0"},"reference-count":26,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,1,28]],"date-time":"2015-01-28T00:00:00Z","timestamp":1422403200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Helse Viken research foundation"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["APMIS"],"published-print":{"date-parts":[[2015,4]]},"abstract":"<jats:p>Infection by <jats:italic>Toxoplasma gondii<\/jats:italic> may lead to complications in the foetus if the mother suffers from primary infection during pregnancy<jats:bold>.<\/jats:bold> Previously infected women have produced toxoplasma\u2010specific IgG antibodies. The most recent study on prevalence of toxoplasma IgG in the Norwegian pregnant population was conducted 20\u00a0years ago. The present study is part of a research programme initiated by the Norwegian Institute of Public Health. We aimed to update the knowledge regarding the prevalence of toxoplasma IgG among pregnant women in Norway. In this cross\u2010sectional study, sera from 1922 pregnant women in Buskerud (992) and S\u00f8r\u2010Tr\u00f8ndelag counties (930) in Norway were collected consecutively. The presence of toxoplasma IgG was identified by values \u22658 <jats:styled-content style=\"fixed-case\">IU<\/jats:styled-content>\/mL using an <jats:styled-content style=\"fixed-case\">ELISA<\/jats:styled-content> test. The overall prevalence of toxoplasma IgG seropositivity was 9.3% (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 8.1\u201310.7); S\u00f8r\u2010Tr\u00f8ndelag 10.4% (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 8.6\u201312.6) and Buskerud 8.3% (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 6.7\u201310.2). There was no difference between the counties (p\u00a0=\u00a00.13), and the result did not differ from prevalences found in 1974 (12.1%) and 1994 (10.7%). We found a higher prevalence among women \u226540\u00a0years (<jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content> 2.65, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 1.30\u20135.42). The prevalence of toxoplasma IgG among pregnant women in Norway is low and has been stable during the last decades.<\/jats:p>","DOI":"10.1111\/apm.12354","type":"journal-article","created":{"date-parts":[[2015,1,28]],"date-time":"2015-01-28T10:48:51Z","timestamp":1422442131000},"page":"321-325","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Toxoplasma prevalence among pregnant women in Norway: a cross\u2010sectional study"],"prefix":"10.1111","volume":"123","author":[{"given":"Gry","family":"Findal","sequence":"first","affiliation":[{"name":"Institute of Clinical Medicine University of Oslo Oslo Norway"},{"name":"Division of Women and Children Oslo University Hospital Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Regine","family":"Barlinn","sequence":"additional","affiliation":[{"name":"Department of Virology Norwegian Institute of Public Health Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irene","family":"Sandven","sequence":"additional","affiliation":[{"name":"Oslo Centre for Biostatistics and Epidemiology Research Support Services Oslo University Hospital Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Babill","family":"Stray\u2010Pedersen","sequence":"additional","affiliation":[{"name":"Institute of Clinical Medicine University of Oslo Oslo Norway"},{"name":"Division of Women and Children Oslo University Hospital Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Svein A.","family":"Nordb\u00f8","sequence":"additional","affiliation":[{"name":"Department of Medical Microbiology St.Olavs Hospital Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helvi H.","family":"Samdal","sequence":"additional","affiliation":[{"name":"Department of Microbiology Oslo University Hospital Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirsti","family":"Vainio","sequence":"additional","affiliation":[{"name":"Department of Virology Norwegian Institute of Public Health Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susanne G.","family":"Dudman","sequence":"additional","affiliation":[{"name":"Department of Virology Norwegian Institute of Public Health Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P\u00e5l A.","family":"Jenum","sequence":"additional","affiliation":[{"name":"Institute of Clinical Medicine University of Oslo Oslo Norway"},{"name":"Department of Medical Microbiology Vestre Viken Health Trust Drammen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,1,28]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-1-4160-6400-8.00031-6"},{"key":"e_1_2_9_3_1","doi-asserted-by":"crossref","first-page":"2900","DOI":"10.1128\/JCM.36.10.2900-2906.1998","article-title":"Incidence of Toxoplasma gondii infection in 35,940 pregnant women in Norway and pregnancy outcome for infected women","volume":"36","author":"Jenum PA","year":"1998","journal-title":"J Clin Microbiol"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(98)08220-8"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1093\/cid\/cit032"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(04)16412-X"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0950268897008480"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0412.2000.079010824.x"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.respe.2009.03.006"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijpara.2009.04.003"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1515\/JPM.2000.043"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/jmv.23757"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.3109\/inf.1979.11.issue-2.12"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1136\/jcp.33.7.640"},{"key":"e_1_2_9_15_1","volume-title":"Epidemiologic research: principles and quantitative methods","author":"Kleinbaum DG","year":"1982"},{"key":"e_1_2_9_16_1","unstructured":"Ministry of Justice.Lov om vern mot smittsomme sykdommer [The Communicable Diseases Act] LOV\u20101994\u201008\u201005\u201055 \u00a7 3 7. 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