{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,22]],"date-time":"2026-03-22T03:47:15Z","timestamp":1774151235123,"version":"3.50.1"},"reference-count":21,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2017,6,24]],"date-time":"2017-06-24T00:00:00Z","timestamp":1498262400000},"content-version":"am","delay-in-days":365,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#am"},{"start":{"date-parts":[[2016,6,24]],"date-time":"2016-06-24T00:00:00Z","timestamp":1466726400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000923","name":"Australian Research Council","doi-asserted-by":"publisher","award":["FT120100069"],"award-info":[{"award-number":["FT120100069"]}],"id":[{"id":"10.13039\/501100000923","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["1021025"],"award-info":[{"award-number":["1021025"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Aust NZ J Obst Gynaeco"],"published-print":{"date-parts":[[2016,10]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Trial evidence supports a policy of caesarean section for singleton breech presentations at term, but vaginal breech birth is considered a safe option for selected women.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>To provide recent Australian data on outcomes associated with intended mode of delivery for term breech singletons in women who meet conservative eligibility criteria for vaginal breech birth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Birth and hospital records from 2009 to 2012 in New South Wales were used to identify women with nonanomalous pregnancies who would be considered eligible for vaginal breech birth. Intended mode of delivery was inferred from labour onset and management.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 10 133 women with term breech singleton pregnancies, 5197 (51.3%) were classified as eligible for vaginal breech delivery. Of these, 6.8% intended vaginal breech birth, 76.4% planned caesarean section and intention could not be determined for 16.8%. Women intending vaginal delivery had higher rates of neonatal morbidity (6.0% vs 2.1%), neonatal birth trauma (7.4% vs 0.9%), Apgar &lt;4 at one minute (10.5% vs 1.1%), Apgar &lt;7 at five minutes (4.3% vs 0.5%) and <jats:styled-content style=\"fixed-case\">neonatal intensive care unit<\/jats:styled-content>\/special care nursery admissions (16.2% vs 6.6%) than those planning caesarean section. Increased perinatal risks remained after adjustment for maternal characteristics. Severe maternal morbidity (1.4% vs 0.7%) and post\u2010partum readmission (4.6% vs 4.0%) were higher in the intended vaginal compared to planned caesarean births, but these differences were not statistically significant.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In a population of women classified as being eligible for vaginal breech birth, intended vaginal delivery was associated with higher rates of neonatal morbidity than planned caesarean section.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ajo.12488","type":"journal-article","created":{"date-parts":[[2016,6,24]],"date-time":"2016-06-24T05:36:59Z","timestamp":1466746619000},"page":"453-459","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Outcomes of breech birth by mode of delivery: a population linkage study"],"prefix":"10.1111","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4954-2658","authenticated-orcid":false,"given":"Yu Sun","family":"Bin","sequence":"first","affiliation":[{"name":"Clinical and Population Perinatal Health Research Kolling Institute St Leonards New South Wales Australia"},{"name":"Sydney Medical School University of Sydney Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christine L.","family":"Roberts","sequence":"additional","affiliation":[{"name":"Clinical and Population Perinatal Health Research Kolling Institute St Leonards New South Wales Australia"},{"name":"Sydney Medical School University of Sydney Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jane B.","family":"Ford","sequence":"additional","affiliation":[{"name":"Sydney Medical School University of Sydney Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael C.","family":"Nicholl","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Royal North Shore Hospital St Leonards New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,6,24]]},"reference":[{"key":"e_1_2_8_2_1","first-page":"CD000166","article-title":"Planned caesarean section for term breech delivery","volume":"7","author":"Hofmeyr GJ","year":"2015","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/1471-0528.13524"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2005.10.817"},{"key":"e_1_2_8_5_1","unstructured":"Royal Australian and New Zealand College of Obstetricians and Gynaecologists (RANZCOG).Management of Breech Presentation at Term.2013."},{"key":"e_1_2_8_6_1","volume-title":"The International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Australian Modification (Icd\u201010\u2010Am)","author":"National Centre for Classification in Health","year":"1998"},{"key":"e_1_2_8_7_1","volume-title":"The Australian Classification of Health Interventions (Achi)","author":"National Centre for Classification in Health","year":"2010"},{"key":"e_1_2_8_8_1","unstructured":"Centre for Health Record Linkage.Quality Assurance: Procedures for Record Linkage: CHeReL; [Accessed 10 May 2015]. Available from:http:\/\/www.cherel.org.au\/quality-assurance."},{"key":"e_1_2_8_9_1","unstructured":"Society of Obstetricians and Gynaecologists of Canada (SOGC).Vaginal Delivery of Breech Presentation.2009."},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10995-011-0797-6"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000000794"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1097\/MLR.0b013e318178eae4"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/aje\/kwh090"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/1471-0528.13524"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/ajo.12208"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000149743.80837.d3"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1503\/cmaj.060870"},{"key":"e_1_2_8_18_1","first-page":"CD004224","article-title":"Planned elective repeat caesarean section versus planned vaginal birth for women with a previous caesarean birth","volume":"12","author":"Dodd JM","year":"2013","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2009.02351.x"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/det130"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.earlhumdev.2012.09.006"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-015-0521-4"}],"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%2Fajo.12488","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fajo.12488","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ajo.12488","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1111\/ajo.12488","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/am-pdf\/10.1111\/ajo.12488","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ajo.12488","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,23]],"date-time":"2023-09-23T12:41:32Z","timestamp":1695472892000},"score":1,"resource":{"primary":{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/10.1111\/ajo.12488"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,6,24]]},"references-count":21,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2016,10]]}},"alternative-id":["10.1111\/ajo.12488"],"URL":"https:\/\/doi.org\/10.1111\/ajo.12488","archive":["Portico"],"relation":{},"ISSN":["0004-8666","1479-828X"],"issn-type":[{"value":"0004-8666","type":"print"},{"value":"1479-828X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,6,24]]},"assertion":[{"value":"2016-01-31","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2016-05-09","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2016-06-24","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}