{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,7]],"date-time":"2026-06-07T04:25:09Z","timestamp":1780806309096,"version":"3.54.1"},"reference-count":37,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"funder":[{"DOI":"10.13039\/100006108","name":"National Center for Advancing Translational Sciences","doi-asserted-by":"publisher","award":["UL1TR001422"],"award-info":[{"award-number":["UL1TR001422"]}],"id":[{"id":"10.13039\/100006108","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["ajogmfm.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Obstetrics & Gynecology MFM"],"published-print":{"date-parts":[[2021,9]]},"DOI":"10.1016\/j.ajogmf.2021.100411","type":"journal-article","created":{"date-parts":[[2021,5,29]],"date-time":"2021-05-29T00:54:59Z","timestamp":1622249699000},"page":"100411","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":8,"title":["Patient characteristics associated with complications of external cephalic version"],"prefix":"10.1016","volume":"3","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8180-3291","authenticated-orcid":false,"given":"Carly M.","family":"Dahl","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yue","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janice X.","family":"Ong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chen","family":"Yeh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Moeun","family":"Son","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emily S.","family":"Miller","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Archana","family":"Roy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William A.","family":"Grobman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajogmf.2021.100411_bib0001","doi-asserted-by":"crossref","first-page":"e203","DOI":"10.1097\/AOG.0000000000003837","article-title":"External cephalic version: ACOG Practice Bulletin, Number 221","volume":"135","year":"2020","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0002","doi-asserted-by":"crossref","DOI":"10.1002\/14651858.CD000083.pub3","article-title":"External cephalic version for breech presentation at term","author":"Hofmeyr","year":"2015","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0003","doi-asserted-by":"crossref","first-page":"160","DOI":"10.1016\/j.ejogrb.2015.10.007","article-title":"Prediction models for successful external cephalic version: a systematic review","volume":"195","author":"Velzel","year":"2015","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0004","doi-asserted-by":"crossref","DOI":"10.1155\/2017\/3028398","article-title":"Predictors of cephalic vaginal delivery following external cephalic version: an eight-year single-centre study of 447 cases","volume":"2017","author":"Kew","year":"2017","journal-title":"Obstet Gynecol Int"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0005","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1111\/ajo.12152","article-title":"Predictors of successful external cephalic version in an Australian maternity hospital","volume":"54","author":"Mowat","year":"2014","journal-title":"Aust N Z J Obstet Gynaecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0006","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1111\/1471-0528.15475","article-title":"External cephalic version at term: a cohort study of 18 years\u2019 experience","volume":"126","author":"Melo","year":"2019","journal-title":"BJOG"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0007","doi-asserted-by":"crossref","first-page":"2002","DOI":"10.1111\/jog.14385","article-title":"Prediction model of success for external cephalic version. Complications and perinatal outcomes after a successful version","volume":"46","author":"L\u00f3pez-P\u00e9rez","year":"2020","journal-title":"J Obstet Gynaecol Res"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0008","doi-asserted-by":"crossref","first-page":"162","DOI":"10.26719\/2013.19.2.162","article-title":"External cephalic version for breech presentation at term: predictors of success, and impact on the rate of caesarean section","volume":"19","author":"Hussin","year":"2013","journal-title":"East Mediterr Health J"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0009","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1007\/s00404-015-3902-z","article-title":"Predictors for a successful external cephalic version: a single centre experience","volume":"293","author":"Ebner","year":"2016","journal-title":"Arch Gynecol Obstet"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0010","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1016\/j.ejogrb.2004.02.005","article-title":"Prediction of successful vaginal delivery in women undergoing external cephalic version at term for breech presentation","volume":"116","author":"Chan","year":"2004","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0011","first-page":"783","article-title":"External cephalic version: predictors of success","volume":"94","author":"Aisenbrey","year":"1999","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0012","doi-asserted-by":"crossref","first-page":"48","DOI":"10.1016\/j.ijgo.2010.07.023","article-title":"A prospective study of the factors associated with the success rate of external cephalic version for breech presentation at term","volume":"112","author":"Burgos","year":"2011","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0013","doi-asserted-by":"crossref","first-page":"857","DOI":"10.1097\/AOG.0000000000003196","article-title":"Prediction of success in external cephalic version for breech presentation at term","volume":"133","author":"Isakov","year":"2019","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0014","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1055\/s-0030-1262909","article-title":"Prediction of success of external cephalic version after 36 weeks","volume":"28","author":"Kok","year":"2011","journal-title":"Am J Perinatol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0015","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajog.2008.03.008","article-title":"Clinical factors to predict the outcome of external cephalic version: a metaanalysis","volume":"199","author":"Kok","year":"2008","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0016","first-page":"722","article-title":"Maternal and fetal factors affecting success of antepartum external cephalic version","volume":"70","author":"Ferguson","year":"1987","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0017","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/S1701-2163(16)32709-8","article-title":"Early External Cephalic Version Trial Collaborators Group. Factors associated with a successful external cephalic version in the early ECV trial","volume":"30","author":"Hutton","year":"2008","journal-title":"J Obstet Gynaecol Can"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0018","doi-asserted-by":"crossref","first-page":"e421","DOI":"10.1016\/j.wombi.2018.08.001","article-title":"Predictors of a successful external cephalic version: a population-based study of Washington state births","volume":"32","author":"Morgan","year":"2019","journal-title":"Women Birth"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0019","doi-asserted-by":"crossref","first-page":"751","DOI":"10.1067\/S0002-9378(03)00846-9","article-title":"The relationship between amniotic fluid index and successful external cephalic version: a 14-year experience","volume":"189","author":"Boucher","year":"2003","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0020","doi-asserted-by":"crossref","first-page":"76","DOI":"10.1002\/uog.6277","article-title":"Ultrasound factors to predict the outcome of external cephalic version: a meta-analysis","volume":"33","author":"Kok","year":"2009","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0021","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1055\/s-0031-1285098","article-title":"External validation of a prediction model for successful external cephalic version","volume":"29","author":"de Hundt","year":"2012","journal-title":"Am J Perinatol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0022","doi-asserted-by":"crossref","first-page":"798","DOI":"10.1111\/j.1471-0528.1997.tb12023.x","article-title":"Predictors of successful external cephalic version at term: a prospective study","volume":"104","author":"Lau","year":"1997","journal-title":"Br J Obstet Gynaecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0023","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1016\/j.ejogrb.2018.06.019","article-title":"Development and internal validation of a clinical prediction model for external cephalic version","volume":"228","author":"Velzel","year":"2018","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0024","doi-asserted-by":"crossref","first-page":"245","DOI":"10.1016\/0002-9378(93)90071-P","article-title":"Predicting success of external cephalic version","volume":"169","author":"Newman","year":"1993","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0025","doi-asserted-by":"crossref","first-page":"1143","DOI":"10.1097\/AOG.0b013e31818b4ade","article-title":"External cephalic version\u2013related risks: a meta-analysis","volume":"112","author":"Grootscholten","year":"2008","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0026","doi-asserted-by":"crossref","first-page":"636","DOI":"10.1111\/j.1471-0528.2007.01271.x","article-title":"The complications of external cephalic version: results from 805 consecutive attempts","volume":"114","author":"Collins","year":"2007","journal-title":"BJOG"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0027","doi-asserted-by":"crossref","first-page":"767","DOI":"10.1111\/1471-0528.14169","article-title":"Complications of external cephalic version: a retrospective analysis of 1121 patients at a tertiary hospital in Sydney","volume":"124","author":"Rodgers","year":"2017","journal-title":"BJOG"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0028","doi-asserted-by":"crossref","first-page":"415","DOI":"10.1111\/1471-0528.13234","article-title":"An observational study of the success and complications of 2546 external cephalic versions in low-risk pregnant women performed by trained midwives","volume":"123","author":"Beuckens","year":"2016","journal-title":"BJOG"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0029","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1097\/AOG.0b013e318179978c","article-title":"Fetomaternal hemorrhage during external cephalic version","volume":"112","author":"Boucher","year":"2008","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0030","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/j.ijoa.2017.03.012","article-title":"Lessons learned from a single institution's retrospective analysis of emergent cesarean delivery following external cephalic version with and without neuraxial anesthesia","volume":"31","author":"Ainsworth","year":"2017","journal-title":"Int J Obstet Anesth"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0031","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajog.2016.06.001","article-title":"Predictors of shoulder dystocia at the time of operative vaginal delivery","volume":"215","author":"Palatnik","year":"2016","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0032","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1097\/01.AOG.0000296656.81143.e6","article-title":"Estimation of birth weight by two-dimensional ultrasonography: a critical appraisal of its accuracy","volume":"111","author":"Scioscia","year":"2008","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0033","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1097\/AOG.0000000000002699","article-title":"Association Between attempted external cephalic version and perinatal morbidity and mortality","volume":"132","author":"Son","year":"2018","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0034","doi-asserted-by":"crossref","first-page":"1137","DOI":"10.1097\/AOG.0b013e3182324583","article-title":"Effect of regional anesthesia on the success rate of external cephalic version: a systematic review and meta-analysis","volume":"118","author":"Goetzinger","year":"2011","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0035","doi-asserted-by":"crossref","first-page":"276","DOI":"10.1016\/j.ajog.2016.04.036","article-title":"Neuraxial analgesia to increase the success rate of external cephalic version: a systematic review and meta-analysis of randomized controlled trials","volume":"215","author":"Magro-Malosso","year":"2016","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0036","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1016\/j.ejogrb.2019.11.025","article-title":"The effect of transient fetal bradycardia and other heart rate changes during and after external cephalic version on perinatal outcomes","volume":"245","author":"Hruban","year":"2020","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"10.1016\/j.ajogmf.2021.100411_bib0037","doi-asserted-by":"crossref","first-page":"511","DOI":"10.1111\/j.0001-6349.2004.00347.x","article-title":"External cephalic version: a safe procedure? A systematic review of version-related risks","volume":"83","author":"Collaris","year":"2004","journal-title":"Acta Obstet Gynecol Scand"}],"container-title":["American Journal of Obstetrics & Gynecology MFM"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589933321001063?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589933321001063?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T23:49:24Z","timestamp":1762904964000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2589933321001063"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,9]]},"references-count":37,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2021,9]]}},"alternative-id":["S2589933321001063"],"URL":"https:\/\/doi.org\/10.1016\/j.ajogmf.2021.100411","relation":{},"ISSN":["2589-9333"],"issn-type":[{"value":"2589-9333","type":"print"}],"subject":[],"published":{"date-parts":[[2021,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Patient characteristics associated with complications of external cephalic version","name":"articletitle","label":"Article Title"},{"value":"American Journal of Obstetrics & Gynecology MFM","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajogmf.2021.100411","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}],"article-number":"100411"}}