{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T10:50:14Z","timestamp":1790506214799,"version":"4.1.0"},"reference-count":33,"publisher":"Walter de Gruyter GmbH","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,9,27]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"j_jpm-2020-0468_abs_001\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To compare mortality, morbidity and neurodevelopment by mode of delivery (MOD) for very preterm births with low prelabour risk of caesarean section (CS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2020-0468_abs_002\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The study was a population-based prospective cohort study in 19 regions in 11 European countries. Multivariable mixed effects models and weighted propensity score models were used to estimate adjusted odds ratios (aOR) by observed MOD and the unit\u2019s policy regarding MOD. Population: Singleton vertex-presenting live births at 24\u00a0+\u00a00 to 31\u00a0+\u00a06 weeks of gestation without serious congenital anomalies, preeclampsia, HELLP or eclampsia, antenatal detection of growth restriction and prelabour CS for fetal or maternal indications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2020-0468_abs_003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Main outcome measures: A composite of in-hospital mortality and intraventricular haemorrhage (grade III\/IV) or periventricular leukomalacia. Secondary outcomes were components of the primary outcome, 5\u00a0min Apgar score &lt;7 and moderate to severe neurodevelopmental impairment at two years of corrected age. The rate of CS was 29.6% but varied greatly between countries (8.0\u201352.6%). MOD was not associated with the primary outcome (aOR for CS 0.99; 95% confidence interval [CI] 0.65\u20131.50) when comparing units with a systematic policy of CS or no policy of MOD to units with a policy of vaginal delivery (aOR 0.88; 95% CI 0.59\u20131.32). No association was observed for two-year neurodevelopment impairment for CS (aOR 1.15; 95% CI 0.66\u20132.01) or unit policies (aOR 1.04; 95% CI 0.63\u20131.70).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2020-0468_abs_004\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Among singleton vertex-presenting live births without medical complications requiring a CS at 24\u00a0+\u00a00 to 31\u00a0+\u00a06 weeks of gestation, CS was not associated with improved neonatal or long-term outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1515\/jpm-2020-0468","type":"journal-article","created":{"date-parts":[[2021,7,19]],"date-time":"2021-07-19T18:02:00Z","timestamp":1626717720000},"page":"923-931","source":"Crossref","is-referenced-by-count":23,"title":["Mode of delivery and adverse short- and long-term outcomes in vertex-presenting very preterm born infants: a European population-based prospective cohort study"],"prefix":"10.1515","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4598-9938","authenticated-orcid":false,"given":"Hanne Trap","family":"Wolf","sequence":"first","affiliation":[{"name":"Department of Gynaecology and Obstetrics , Hvidovre University Hospital , Hvidovre , Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tom","family":"Weber","sequence":"additional","affiliation":[{"name":"Department of Gynaecology and Obstetrics , Hvidovre University Hospital , Hvidovre , Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephan","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Department of Obstetrics , University Hospital, Philipps University , Marburg , Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mikael","family":"Norman","sequence":"additional","affiliation":[{"name":"Department of Clinical Science, Intervention and Technology , Division of Paediatrics, Karolinska Institutet , Stockholm , Sweden"},{"name":"Department of Neonatal Medicine , Karolinska University Hospital , Stockholm , Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heili","family":"Varendi","sequence":"additional","affiliation":[{"name":"University of Tartu, Tartu University Hospital , Tartu , Estonia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aur\u00e9lie","family":"Piedvache","sequence":"additional","affiliation":[{"name":"Inserm UMR 1153, Obstetrical, Perinatal and Paediatric Epidemiology Research Team (Epop\u00e9) , Center for Epidemiology and Statistics Sorbonne Paris Cit\u00e9, DHU Risks in Pregnancy, Paris Descartes University , Paris , France"},{"name":"Department of Social Medicine , National Center for Child Health and Development , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer","family":"Zeitlin","sequence":"additional","affiliation":[{"name":"Inserm UMR 1153, Obstetrical, Perinatal and Paediatric Epidemiology Research Team (Epop\u00e9) , Center for Epidemiology and Statistics Sorbonne Paris Cit\u00e9, DHU Risks in Pregnancy, Paris Descartes University , Paris , France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lene Drasbek","family":"Huusom","sequence":"additional","affiliation":[{"name":"Department of Gynaecology and Obstetrics , Hvidovre University Hospital , Hvidovre , Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2021,7,20]]},"reference":[{"key":"2023040100292409165_j_jpm-2020-0468_ref_001","doi-asserted-by":"crossref","unstructured":"Evans, LC, Combs, CA. 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