{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T15:27:07Z","timestamp":1778686027714,"version":"3.51.4"},"reference-count":11,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2008,6,3]],"date-time":"2008-06-03T00:00:00Z","timestamp":1212451200000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Aust NZ J Obst Gynaeco"],"published-print":{"date-parts":[[2008,6]]},"abstract":"<jats:p><jats:bold>Aim:\u2002<\/jats:bold> To determine the factors that influence caesarean operative time and operative time effects on pregnancy outcomes.<\/jats:p><jats:p><jats:bold>Methods:\u2002<\/jats:bold> Prospective observational study of women undergoing a caesarean delivery (CD). Multiple antepartum, intrapartum and neonatal outcomes were assessed for their influence on the time of the CD and the time effect of CD on pregnancy outcomes.<\/jats:p><jats:p><jats:bold>Results:\u2002<\/jats:bold> There were 386 (23%) caesarean deliveries performed \u2264\u00a030 min, 1070 (65%) between 31 and 60 min, and 200 deliveries \u2265\u00a060 min. Women younger than 18 years (<jats:italic>P<\/jats:italic>= 0.004) and who had caesarean for fetal labor intolerance were associated with shorter operation time (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001). Factors associated with an increased operation time were age &gt;\u00a035 years (<jats:italic>P<\/jats:italic>= 0.049), body mass index (BMI) \u2265\u00a030 (<jats:italic>P<\/jats:italic> &lt; 0.001), pre\u2010existing hypertension (<jats:italic>P<\/jats:italic>= 0.001), prior low segment transverse scar (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001), uterus incision other than transverse (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001), first\u2010year resident as primary surgeon (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001) and accompanying sterilisation procedure (<jats:italic>P<\/jats:italic> &lt;\u00a00.001). Operation time was significantly related to blood loss (<jats:italic>P<\/jats:italic> &lt;\u00a00.001), likelihood of umbilical artery cord gas pH &lt; 7.1 (<jats:italic>P<\/jats:italic> &lt; 0.001) and Apgar scores at five minutes &lt; 7 (<jats:italic>P<\/jats:italic>= 0.009).<\/jats:p><jats:p><jats:bold>Conclusions:\u2002<\/jats:bold> Operative time is shortened by age &lt; 18 and delivery for fetal labor intolerance, lengthened by age &gt;\u00a035, BMI\u00a0&gt;\u00a030, prior caesarean, uterine incision, operating surgeon inexperience and accompanying sterilisation. Increased operative time was linked with an increased blood loss, low five\u2010minute Apgar scores and umbilical arterial pH &lt; 7.1.<\/jats:p>","DOI":"10.1111\/j.1479-828x.2008.00862.x","type":"journal-article","created":{"date-parts":[[2008,6,4]],"date-time":"2008-06-04T04:07:10Z","timestamp":1212552430000},"page":"286-291","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":35,"title":["Factors affecting caesarean operative time and the effect of operative time on pregnancy outcomes"],"prefix":"10.1111","volume":"48","author":[{"given":"Dorota A.","family":"DOHERTY","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Everett F.","family":"MAGANN","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Suneet P.","family":"CHAUHAN","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amy L.","family":"O\u2019BOYLE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jeanne M.","family":"BUSCH","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John C.","family":"MORRISON","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2008,6,3]]},"reference":[{"key":"e_1_2_5_2_2","unstructured":"National Center for Health Statistics.Total and primary cesarean rate and vaginal birth after previous cesarean (VBAC) rate \u2013 United States 1989\u20132003. Atlanta GA: Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report 2005\/54(02)\/431."},{"key":"e_1_2_5_3_2","unstructured":"ChangJ Elam\u2010EvansLD BergCJet\u00a0al.Pregnancy\u2010related mortality surveillance \u2013 United States 1991\u20131999. Atlanta GA: Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report February 2003\/52(SSO2)\/1\u20108."},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(12)80048-2"},{"key":"e_1_2_5_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0029-7844(97)84257-3"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2002.122416"},{"key":"e_1_2_5_7_2","doi-asserted-by":"publisher","DOI":"10.1097\/00006250-200112000-00017"},{"key":"e_1_2_5_8_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.1999.tb08234.x"},{"key":"e_1_2_5_9_2","first-page":"CD000163","article-title":"Closure versus non\u2010closure of the peritoneum at caesarean section","volume":"4","author":"Bamigboye A","year":"2003","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_5_10_2","first-page":"389","article-title":"Blood loss estimation at the time of cesarean delivery by method of placental removal and exteriorization versus in situ repair of the uterine incision","volume":"1777","author":"Magann EF","year":"1993","journal-title":"Surg Gynecol Obstet"},{"key":"e_1_2_5_11_2","doi-asserted-by":"publisher","DOI":"10.3109\/14767059409017268"},{"key":"e_1_2_5_12_2","doi-asserted-by":"publisher","DOI":"10.1086\/501831"}],"container-title":["Australian and New Zealand Journal of Obstetrics and Gynaecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fj.1479-828X.2008.00862.x","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/j.1479-828X.2008.00862.x","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,12]],"date-time":"2023-10-12T17:16:33Z","timestamp":1697130993000},"score":1,"resource":{"primary":{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/10.1111\/j.1479-828X.2008.00862.x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2008,6]]},"references-count":11,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2008,6]]}},"alternative-id":["10.1111\/j.1479-828X.2008.00862.x"],"URL":"https:\/\/doi.org\/10.1111\/j.1479-828x.2008.00862.x","archive":["Portico"],"relation":{},"ISSN":["0004-8666","1479-828X"],"issn-type":[{"value":"0004-8666","type":"print"},{"value":"1479-828X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2008,6]]},"assertion":[{"value":"2008-06-03","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}