{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T13:20:30Z","timestamp":1789737630152,"version":"4.0.1"},"reference-count":36,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,10,23]],"date-time":"2024-10-23T00:00:00Z","timestamp":1729641600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010663","name":"H2020 European Research Council","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010663","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The objective of this study is to assess associations between pregnancy complications and pregnancy\u2010associated maternal mortality (PAM) within 1\u2009year after childbirth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Population\u2010based cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Norway, 1967\u20132020.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>1\u2009237\u2009254 mothers with one or more singleton pregnancies registered in the Medical Birth Registry, 1967\u20132019 and followed in the Cause of Death Registry to 2020.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<jats:bold>s<\/jats:bold><\/jats:title><jats:p>Logistic regression was used to calculate odds ratios (ORs) with 95% confidence intervals (CIs), adjusted for maternal education, age, year of first childbirth and chronic medical conditions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main Outcome Measures<\/jats:title><jats:p>PAM by lifetime history of pregnancy complications: placental abruption, preeclampsia, preterm birth, perinatal death, small for gestational age (&lt;\u20092.5 percentile), gestational diabetes and gestational hypertension.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Crude OR for PAM was 4.24 (95% CI 3.53\u20135.10), if complications occurred in the last pregnancy, whereas 2.52 (2.08\u20133.06) if complications occurred in the first pregnancy, compared to mothers without complications in any pregnancy. Adjusted ORs for PAM when complications occurred in the last pregnancy were, for placental abruption 3.75 (1.20\u201311.72), preeclampsia: 4.42 (3.17\u20136.15), preterm birth: 4.32 (3.25\u20135.75), perinatal death: 24.18 (16.66\u201335.08), small for gestational age: 2.90 (1.85\u20134.54), gestational diabetes: 1.43 (0.63\u20133.25) and pregnancy hypertension: 2.05 (1.12\u20133.74) compared to mothers without complications. The OR for PAM increased slightly by increasing the number of complicated pregnancies but the trend was stronger for increasing number of complications in the last pregnancy (e.g., during 1999\u20132019: one complication; 4.14 [2.79\u20136.13], two complications; 11.50 [6.81\u201319.43]).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Complications in the last pregnancy were more strongly associated with PAM than those in the first pregnancy.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.17985","type":"journal-article","created":{"date-parts":[[2024,10,23]],"date-time":"2024-10-23T08:43:53Z","timestamp":1729673033000},"page":"365-374","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Pregnancy\u2010Associated Maternal Mortality Within One Year After Childbirth: Population\u2010Based Cohort Study"],"prefix":"10.1111","volume":"132","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0701-3176","authenticated-orcid":false,"given":"Nadia","family":"Arshad","sequence":"first","affiliation":[{"name":"Department of Global Public Health and Primary Care, Faculty of Medicine University of Bergen  Bergen Norway"},{"name":"Department of Clinical Neuroscience Karolinska Institute  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rolv","family":"Skj\u00e6rven","sequence":"additional","affiliation":[{"name":"Department of Global Public Health and Primary Care, Faculty of Medicine University of Bergen  Bergen Norway"},{"name":"Centre for Fertility and Health Norwegian Institute of Public Health  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kari","family":"Klungs\u00f8yr","sequence":"additional","affiliation":[{"name":"Department of Global Public Health and Primary Care, Faculty of Medicine University of Bergen  Bergen Norway"},{"name":"Division for Mental and Physical Health Norwegian Institute of Public Health  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Linn Marie","family":"S\u00f8rbye","sequence":"additional","affiliation":[{"name":"Faculty of Health and Social Sciences Western Norway University of Applied Sciences  Bergen Norway"},{"name":"Norwegian Research Centre for Women's Health Oslo University Hospital, Rikshospitalet  Oslo Norway"},{"name":"Department of Obstetrics and Gynaecology Haukeland University Hospital  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liv Grimstvedt","family":"Kvalvik","sequence":"additional","affiliation":[{"name":"Department of Global Public Health and Primary Care, Faculty of Medicine University of Bergen  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nils\u2010Halvdan","family":"Morken","sequence":"additional","affiliation":[{"name":"Department of Global Public Health and Primary Care, Faculty of Medicine University of Bergen  Bergen Norway"},{"name":"Department of Obstetrics and Gynaecology Haukeland University Hospital  Bergen Norway"},{"name":"Department of Clinical Science University of Bergen  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,10,23]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.4045\/tidsskr.13.0203"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/aogs.12037"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1080\/00016340802237067"},{"key":"e_1_2_10_5_1","volume-title":"Trends in Maternal Mortality 2000\u20132017","author":"WHO, UNICEF, UNNFPA","year":"2019"},{"key":"e_1_2_10_6_1","unstructured":"Knoema \u201cWorld Data Atlas. 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