{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T23:10:41Z","timestamp":1779923441553,"version":"3.53.1"},"reference-count":35,"publisher":"BMJ","issue":"7","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2015,7,2]]},"published-print":{"date-parts":[[2015,7]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To characterise maternal demographics, obstetric risk factors and neonatal outcomes associated with term category 1 caesarean sections (CS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design and setting and main outcome measures<\/jats:title>\n                    <jats:p>Retrospective study of term singleton pregnancies delivering at a major tertiary unit in Brisbane, Australia. Category 1 CS were defined as one that required a decision-to-delivery time interval of &lt;30\u2005min when there was an immediate threat to the life of a woman or fetus. Neonatal outcomes analysed were gestation at delivery, birth weight, Apgar scores, acidosis at birth, need for resuscitation, admission to neonatal intensive care and neonatal seizures and death.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 30\u2005719 women delivering at term were included. Of these, 1179 (3.8%) women required a category 1 CS. A further 3527 women underwent non-category 1 CS. Most category 1 CS were performed for non-reassuring fetal status (65.9%, 777\/1179). The indications for non-category 1 CS were for failure to progress (46.5%, 1641\/3527) and non-reassuring fetal status (19%, 671\/3527). Maternal age, body mass index and medical disease did not differ significantly between the two cohorts. Caucasian women were equally as likely to undergo a category 1 CS as a non-category 1 CS, while indigenous women and women of Asian ethnicity were more likely to undergo a category 1 CS. Significantly higher (p&lt;0.001) perinatal complications were seen in the category 1 CS cohort\u2014Apgar scores &lt;7 at 1\u2005min (20.4%, 241\/1179 vs 10.7%, 377\/3527) and 5\u2005min (5.8%, 68\/1179 vs 1.9%, 67\/3527), umbilical arterial pH&lt;7.2 (23.7%, 279\/1179 vs 9.1%, 321\/3527), neonatal resuscitation (59.9%, 706\/1179 vs 51.8%, 1828\/3527), neonatal intensive care unit admission (9.8%, 116\/1179 vs 2.5%, 87\/3527) and seizures (0.8%, 10\/1179 vs 0.3%, 9\/3527), respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These results demonstrate significantly poorer outcomes associated with term category 1 CS compared with non-category 1 emergency CS.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2014-007248","type":"journal-article","created":{"date-parts":[[2015,7,29]],"date-time":"2015-07-29T21:20:23Z","timestamp":1438204823000},"page":"e007248","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":33,"title":["Perinatal consequences of a category 1 caesarean section at term"],"prefix":"10.1136","volume":"5","author":[{"given":"Leah","family":"Grace","sequence":"first","affiliation":[{"name":"Mater Mothers\u2019 Hospital, South Brisbane, Queensland, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ristan M","family":"Greer","sequence":"additional","affiliation":[{"name":"Mater Research Institute\u2014University of Queensland, South Brisbane, Queensland, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sailesh","family":"Kumar","sequence":"additional","affiliation":[{"name":"Mater Mothers\u2019 Hospital, South Brisbane, Queensland, Australia"},{"name":"Mater Research Institute\u2014University of Queensland, South Brisbane, Queensland, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2015,7,29]]},"reference":[{"key":"2025120518132150000_5.7.e007248.1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.283.18.2411"},{"key":"2025120518132150000_5.7.e007248.2","doi-asserted-by":"publisher","DOI":"10.3945\/ajcn.111.030254"},{"key":"2025120518132150000_5.7.e007248.3","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000219750.79480.84"},{"key":"2025120518132150000_5.7.e007248.4","doi-asserted-by":"crossref","first-page":"461","DOI":"10.1097\/GCO.0000000000000114","article-title":"Planned caesarean section or trial of vaginal delivery? 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