{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T12:14:51Z","timestamp":1767183291128,"version":"3.40.5"},"reference-count":45,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2019,11,20]],"date-time":"2019-11-20T00:00:00Z","timestamp":1574208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>To describe the population of women having bariatric surgery and compare the pregnancy outcomes for women having bariatric surgery with a non\u2010bariatric surgery population having a first and second pregnancy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Population\u2010based record linkage study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>New South Wales (NSW), Australia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>All women aged 15\u201345\u00a0years with a hospital record in NSW (2002\u20132014) and all women giving birth in NSW (1994\u20132015; <jats:italic>n<\/jats:italic>\u00a0=\u00a01\u00a0606\u00a0737 women).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Pregnancy and birth outcomes were compared between first and second pregnancies using repeated\u2010measures logistic regression and paired Student\u2019s <jats:italic>t<\/jats:italic>\u2010tests. Bariatric and non\u2010bariatric groups were also compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Maternal diabetes, preterm birth (&lt;37\u00a0weeks of gestation) and large for gestational age.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There was a 13\u2010fold increase in hospitalisations for primary bariatric surgery during 2002\u20132014. Compared with the general birthing population, women who had bariatric surgery experienced higher rates of hypertension, diabetes, and preterm birth. Among women who had bariatric surgery between a first and second pregnancy, there were reduced rates of hypertension (OR 0.39, 95%\u00a0CI 0.29\u20130.53), spontaneous preterm birth (OR 0.37, 95%\u00a0CI 0.16\u20130.86), infants that were large for gestational age (OR 0.63, 95%\u00a0CI 0.44\u20130.88), and the admission of infants to a special care nursery or neonatal intensive care (OR 0.64, 95%\u00a0CI 0.46\u20130.90) in the second pregnancy. Rates for small\u2010for\u2010gestational age and gestational diabetes following surgery were 8.3 and 11.4%, respectively<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Bariatric surgery between a first and second pregnancy was associated with reductions in obesity\u2010related adverse pregnancy outcomes. Bariatric surgery performed for the management of obesity in accordance with current clinical criteria is associated with improved pregnancy outcomes in a subsequent pregnancy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Tweetable abstract<\/jats:title><jats:p>Bariatric surgery for obesity may improve pregnancy and birth outcomes in a subsequent pregnancy.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.15993","type":"journal-article","created":{"date-parts":[[2019,11,21]],"date-time":"2019-11-21T05:10:35Z","timestamp":1574313035000},"page":"345-354","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Perinatal outcomes following bariatric surgery between a first and second pregnancy: a population data linkage study"],"prefix":"10.1111","volume":"127","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6024-2958","authenticated-orcid":false,"given":"I","family":"Ibiebele","sequence":"first","affiliation":[{"name":"Women and Babies Research The University of Sydney Northern Clinical School St Leonards New South Wales Australia"},{"name":"Northern Sydney Local Health District Kolling Institute St Leonards New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F","family":"Gallimore","sequence":"additional","affiliation":[{"name":"Women and Babies Research The University of Sydney Northern Clinical School St Leonards New South Wales Australia"},{"name":"North Shore Private Hospital St Leonards New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M","family":"Schnitzler","sequence":"additional","affiliation":[{"name":"Women and Babies Research The University of Sydney Northern Clinical School St Leonards New South Wales Australia"},{"name":"Department of Colorectal Surgery Royal North Shore Hospital St Leonards New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S","family":"Torvaldsen","sequence":"additional","affiliation":[{"name":"Women and Babies Research The University of Sydney Northern Clinical School St Leonards New South Wales Australia"},{"name":"School of Public Health and Community Medicine University of New South Wales Kensington New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JB","family":"Ford","sequence":"additional","affiliation":[{"name":"Women and Babies Research The University of Sydney Northern Clinical School St Leonards New South Wales Australia"},{"name":"Northern Sydney Local Health District Kolling Institute St Leonards New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,11,20]]},"reference":[{"key":"e_1_2_6_2_1","unstructured":"World Health Organization.Obesity and overweight [Factsheet]. 16 February 2018 2018.http:\/\/www.who.int\/news-room\/fact-sheets\/detail\/obesity-and-overweight. 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