{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,25]],"date-time":"2026-04-25T04:59:54Z","timestamp":1777093194865,"version":"3.51.4"},"reference-count":32,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2018,11,8]],"date-time":"2018-11-08T00:00:00Z","timestamp":1541635200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100005036","name":"Universitetet i Bergen","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100005036","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Trial of labor (TOLAC) is an option in most preganancies after a cesarean section The objective of the study was to compare perinatal outcome in TOLAC and non\u2010TOLAC deliveries in a population with high TOLAC rates.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>This was a cohort study based on population data from the Medical Birth Registry of Norway. We included term, cephalic, single, second deliveries, 1989\u20102009, after a first cesarean section (n\u00a0=\u00a043\u00a0422). TOLAC, TOLAC failure, non\u2010TOLAC deliveries, and after high\u2010risk and low\u2010risk pregnancies (no risk\/any risk), were compared with respect to offspring mortality, 5\u2010minute Apgar score Apgar &lt;\u00a07 and &lt;\u00a04, transfer to a neonatal intensive care unit, and neonatal respiratory distress syndrome.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Statistically significant differences were observed (<jats:italic>P<\/jats:italic>\u00a0&lt;0.05). In the low\u2010risk group the offspring mortality was 2.3\/1000 in TOLAC compared with 0.9\/1000 in non\u2010TOLAC. In the high\u2010risk group, the offspring mortality was 3.7\/1000 in TOLAC compared with 0.9\/1000 in non\u2010TOLAC, and the 5\u2010minute Apgar score &lt;\u00a04 was 3.1\/1000 in TOLAC compared with 0.9\/1000 in non\u2010TOLAC. In both risk groups, TOLAC delivery had a higher rate of 5\u2010minute Apgar score &lt;\u00a07. In the low\u2010risk group, non\u2010TOLAC deliveries had a higher rate of neonatal respiratory distress syndrome than TOLAC deliveries.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>We observed higher risk of offspring mortality and lower 5\u2010minute Apgar score in TOLAC than in non\u2010TOLAC. Possible causes and preventive measures should be explored.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aogs.13458","type":"journal-article","created":{"date-parts":[[2018,9,7]],"date-time":"2018-09-07T17:42:56Z","timestamp":1536342176000},"page":"117-126","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Perinatal outcome in births after a previous cesarean section at high trial of labor rates"],"prefix":"10.1111","volume":"98","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0681-9928","authenticated-orcid":false,"given":"Sjur","family":"Lehmann","sequence":"first","affiliation":[{"name":"Department of Clinical Science University of Bergen Bergen Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elham","family":"Baghestan","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Haukeland University Hospital Bergen Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Per E.","family":"B\u00f8rdahl","sequence":"additional","affiliation":[{"name":"Department of Clinical Science University of Bergen Bergen Norway"},{"name":"Department of Obstetrics and Gynecology Haukeland University Hospital Bergen Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lorentz M.","family":"Irgens","sequence":"additional","affiliation":[{"name":"Department of Global Public Health and Primary Care University of Bergen Bergen Norway"},{"name":"Medical Birth Registry of Norway Norwegian Institute of Public Health Bergen Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5789-2922","authenticated-orcid":false,"given":"Svein","family":"Rasmussen","sequence":"additional","affiliation":[{"name":"Department of Clinical Science University of Bergen Bergen Norway"},{"name":"Department of Obstetrics and Gynecology Haukeland University Hospital Bergen Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,11,8]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejogrb.2013.05.015"},{"key":"e_1_2_10_3_1","unstructured":"Royal College of Obstetricians and Gynaecologists. 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