{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T18:30:14Z","timestamp":1774377014998,"version":"3.50.1"},"reference-count":29,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2014,4,23]],"date-time":"2014-04-23T00:00:00Z","timestamp":1398211200000},"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":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2014,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To assess obstetrical and neonatal outcomes in women following gastric bypass, compared with adipose women without surgery and with a normal weight control population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Historical controlled cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Denmark.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>All women undergoing gastric bypass during the period 1996\u20132011, and subsequently giving birth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and main outcome measures<\/jats:title><jats:p>Obstetrical and neonatal outcomes in women without gastric bypass matched on age, parity, plurality, year, and body mass index, and normal weight women.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In 415 women giving birth after gastric bypass we found significantly more women with hypertension in pregnancy; relative risk (<jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>) 2.5 (95% confidence interval 1.3\u20135.0), gestational diabetes; <jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>\u00a0=\u00a06.9 (3.5\u201313.5), and acute abdominal pain during pregnancy; <jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>\u00a0=\u00a04.7 (2.9\u20137.8) compared with normal weight controls. Compared with women with similar body mass index, they had a lower incidence of preeclampsia and emergency cesarean sections, and their children a lower incidence of asphyxia; <jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>\u00a0=\u00a00.4 (0.2\u20130.8). Their children were on average 212\u00a0g smaller than newborn of normal weight mothers, and 319\u00a0g smaller than newborn of adipose controls, and had significantly more admissions to neonatal intensive care unit compared with newborn of normal weight mothers; <jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>\u00a0=\u00a01.5 (1.1\u20132.0).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Gastric bypass may reduce the risk of preeclampsia, emergency cesarean section, and perinatal asphyxia, compared with adipose women without surgery. Compared with normal weight controls women who had had a gastric bypass had a higher risk of hypertension, gestational diabetes, and acute abdominal pain during pregnancy and their children a lower birthweight and higher incidence of admittance to neonatal intensive care.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aogs.12368","type":"journal-article","created":{"date-parts":[[2014,3,4]],"date-time":"2014-03-04T16:48:04Z","timestamp":1393951684000},"page":"447-453","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Obstetrical and neonatal outcomes in women following gastric bypass: a Danish national cohort study"],"prefix":"10.1111","volume":"93","author":[{"given":"Janne Foss","family":"Berlac","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Rigshospitalet University of Copenhagen Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charlotte Wessel","family":"Skovlund","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Rigshospitalet University of Copenhagen Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00d8jvind","family":"Lidegaard","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Rigshospitalet University of Copenhagen Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2014,4,23]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"Den Nationale Sundhedsprofil 2010","author":"National Board of Health","year":"2011"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD003641.pub3"},{"key":"e_1_2_8_4_1","unstructured":"National Board of Health.National Board of Health 2010. 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