{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T11:59:35Z","timestamp":1787313575919,"version":"build-2736575974"},"reference-count":37,"publisher":"BMJ","issue":"10","license":[{"start":{"date-parts":[[2022,10,26]],"date-time":"2022-10-26T00:00:00Z","timestamp":1666742400000},"content-version":"unspecified","delay-in-days":25,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004663","name":"Ministry of Science and Technology, Taiwan","doi-asserted-by":"publisher","award":["MOST 109-2321-B-182A-007"],"award-info":[{"award-number":["MOST 109-2321-B-182A-007"]}],"id":[{"id":"10.13039\/501100004663","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100012553","name":"Chang Gung Memorial Hospital","doi-asserted-by":"publisher","award":["CMRPG3H1393, CORPG3J0191"],"award-info":[{"award-number":["CMRPG3H1393, CORPG3J0191"]}],"id":[{"id":"10.13039\/100012553","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2022,9,25]]},"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Rheumatoid arthritis (RA) may adversely influence pregnancy and lead to adverse birth outcomes. This study estimated the risk of adverse fetal\u2013neonatal and maternal pregnancy outcomes in women with RA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>This was a retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>We used both the National Health Insurance database and the Taiwan Birth Reporting System, between 2004 and 2014.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>We identified 2\u2009100\u2009143 singleton pregnancies with 922 RA pregnancies, either live births or stillbirths, delivered by 1 468 318\u2009women.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Outcome measures<\/jats:title>\n                    <jats:p>ORs with 95% CIs for fetal\u2013neonatal and maternal outcomes were compared between pregnancies involving mothers with and without RA using an adjusted generalised estimating equation model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Covariates including age, infant sex, Charlson Comorbidity Index, urbanisation, income, occupation, birth year and maternal nationality were adjusted. Compared with pregnancies in women without RA, pregnancies in women with RA showed that the fetuses\/neonates had adjusted ORs (95%\u2009CI) of 2.03 (1.66 to 2.50) for low birth weight (n=123), 1.99 (1.64 to 2.40) for prematurity (n=141), 1.77 (1.46 to 2.15) for small for gestational age (n=144) and 1.35 (1.03 to 1.78) for fetal distress (n=60). Pregnancies in women with RA had adjusted ORs (95%\u2009CI) of 1.24 (1.00 to 1.52) for antepartum haemorrhage (n=106), 1.32 (1.15 to 1.51) for caesarean delivery (n=398), and 3.33 (1.07 to 10.34) for disseminated intravascular coagulation (n=3), compared with women without RA. Fetuses\/neonates born to mothers with RA did not have a higher risk of being stillborn or having fetal abnormalities. Pregnant women with RA did not have increased risks of postpartum death, cardiovascular complications, surgical complications or systemic organ dysfunction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Pregnancies in women with RA were associated with higher risks of multiple adverse fetal\u2013neonatal and maternal outcomes; however, most pregnancies in these women were successful.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2021-059203","type":"journal-article","created":{"date-parts":[[2022,10,26]],"date-time":"2022-10-26T11:21:04Z","timestamp":1666783264000},"page":"e059203","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":24,"title":["Fetal\u2013neonatal and maternal pregnancy outcomes in women with rheumatoid arthritis: a population-based cohort study"],"prefix":"10.1136","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1726-8882","authenticated-orcid":false,"given":"Yun-Chen","family":"Tsai","sequence":"first","affiliation":[{"name":"Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Taoyuan, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4326-1214","authenticated-orcid":false,"given":"Hsiao-Chun","family":"Chang","sequence":"additional","affiliation":[{"name":"Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Taoyuan, Taiwan"},{"name":"Zuellig Pharma Specialty Solutions Group Pte Ltd, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meng-Jiun","family":"Chiou","sequence":"additional","affiliation":[{"name":"Corporate Medical Affairs, Center for Artificial Intelligence in Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shue-Fen","family":"Luo","sequence":"additional","affiliation":[{"name":"Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Taoyuan, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9770-5730","authenticated-orcid":false,"given":"Chang-Fu","family":"Kuo","sequence":"additional","affiliation":[{"name":"Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Taoyuan, Taiwan"},{"name":"Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2022,10,26]]},"reference":[{"key":"2025121300040125000_12.10.e059203.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.berh.2007.06.002"},{"key":"2025121300040125000_12.10.e059203.2","doi-asserted-by":"publisher","DOI":"10.1007\/s00296-017-3726-1"},{"key":"2025121300040125000_12.10.e059203.3","doi-asserted-by":"publisher","DOI":"10.1002\/acr.21820"},{"key":"2025121300040125000_12.10.e059203.4","doi-asserted-by":"publisher","DOI":"10.1186\/1741-7015-7-12"},{"key":"2025121300040125000_12.10.e059203.5","doi-asserted-by":"publisher","DOI":"10.1093\/rheumatology\/41.7.793"},{"key":"2025121300040125000_12.10.e059203.6","doi-asserted-by":"publisher","DOI":"10.1002\/art.24914"},{"key":"2025121300040125000_12.10.e059203.7","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1080\/03009742.1998.11720781","article-title":"Obstetrical and neonatal outcome in pregnant patients with rheumatic disease","volume":"107","author":"Skomsvoll","year":"1998","journal-title":"Scand J Rheumatol Suppl"},{"key":"2025121300040125000_12.10.e059203.8","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000126279.87151.e1"},{"key":"2025121300040125000_12.10.e059203.9","doi-asserted-by":"publisher","DOI":"10.1007\/s10995-006-0073-3"},{"key":"2025121300040125000_12.10.e059203.10","doi-asserted-by":"publisher","DOI":"10.1136\/ard.2008.105262"},{"key":"2025121300040125000_12.10.e059203.11","unstructured":"Ministry of health and welfare, Administration NHI . 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