{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T18:24:33Z","timestamp":1790706273428,"version":"4.1.0"},"reference-count":35,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T00:00:00Z","timestamp":1716249600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100005564","name":"Gilead Sciences","doi-asserted-by":"publisher","award":["IN\u2010CA\u2010320\u20106073"],"award-info":[{"award-number":["IN\u2010CA\u2010320\u20106073"]}],"id":[{"id":"10.13039\/100005564","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Viral Hepatitis"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Pregnant women with chronic hepatitis B (CHB) are a priority population for hepatitis B care. Identification of HBV status prior to pregnancy would facilitate timely maternal interventions and perinatal care. In our study, we aimed to study the epidemiology of CHB among women of childbearing age (WoCBA, 18\u201349\u2009years) in Alberta, Canada. We retrospectively analysed Alberta Analytics databases to study CHB epidemiology, natural history and care linkage among WoCBA in Alberta, between April 2012 and March 2021. A Poisson regression was conducted to estimate incidence of newly identified CHB cases and prevalence trends, whereas predictors of care linkage were determined using logistic regression. Age\/sex\u2010adjusted incidence of newly identified CHB among WoCBA between 2015 and 2020 was 36.2\/100,000 person\/years, highest among individuals aged 30\u201339\u2009years. Incidence of newly identified CHB decreased from 52.6 to 18.2\/100,000 between 2015 and 2020, but prevalence increased from 131.7 to 248.6\/100,000 in the same period. Newly identified CHB incident cases (<jats:italic>n<\/jats:italic>\u2009=\u20092124) had lower survival rates than age\/sex\u2010matched Canadians, with a standardized mortality ratio of 5.7 (95% CI 2.6\u201311.0). Increasing age (years) at diagnosis (HR, 1.2; 95% CI 1.1\u20131.3) was independently associated with mortality. Comorbid hepatocellular carcinoma, anti\u2010HBV treatment and year of diagnosis were not significantly associated with mortality. Of the 1927 women with 2436 hepatitis B surface antigen\u2010positive pregnancies from 2012 to 2020, only 27.6% had recommended HBV assessment during pregnancy. Of those women meeting criteria for antiviral therapy to prevent mother\u2010to\u2010child transmission (MTCT), only 66.4% received treatment. Suboptimal management during pregnancy and overall lower survival rates highlight the need to address care linkage barriers in women of childbearing age living with CHB.<\/jats:p>","DOI":"10.1111\/jvh.13954","type":"journal-article","created":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T15:11:32Z","timestamp":1716304292000},"page":"477-489","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Epidemiology, linkage to care and natural history of women of childbearing age with chronic hepatitis B: A population\u2010based study"],"prefix":"10.1111","volume":"31","author":[{"given":"Golasa Samadi","family":"Kochaksaraei","sequence":"first","affiliation":[{"name":"Division of Gastroenterology and Hepatology, Department of Medicine, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fengjuan","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Community Health Sciences, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cynthia H.","family":"Seow","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology and Hepatology, Department of Medicine, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"},{"name":"Department of Community Health Sciences, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Herman W.","family":"Barkema","sequence":"additional","affiliation":[{"name":"Department of Community Health Sciences, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"},{"name":"Faculty of Veterinary Medicine University of Calgary  Calgary Alberta Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1472-0901","authenticated-orcid":false,"given":"Carla S.","family":"Coffin","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology and Hepatology, Department of Medicine, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2940-897X","authenticated-orcid":false,"given":"Abdel\u2010Aziz","family":"Shaheen","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology and Hepatology, Department of Medicine, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"},{"name":"Department of Community Health Sciences, Cumming School of Medicine University of Calgary  Calgary Alberta Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,5,21]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1098\/rspb.1993.0102"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/cid\/ciw092"},{"key":"e_1_2_9_4_1","unstructured":"World Health Organization.Hepatitis B. 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