{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T17:38:38Z","timestamp":1793122718941,"version":"4.5.0"},"reference-count":28,"publisher":"Elsevier BV","issue":"8","license":[{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T00:00:00Z","timestamp":1690848000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"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":[[2023,8]]},"DOI":"10.1016\/j.ajogmf.2023.101038","type":"journal-article","created":{"date-parts":[[2023,5,26]],"date-time":"2023-05-26T12:31:18Z","timestamp":1685104278000},"page":"101038","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":4,"title":["Effect of the \u201cshoulder-up\u201d bundle on the incidence of spontaneous perineal injury after vaginal delivery: comparison of 2 historic cohorts after propensity score matching"],"prefix":"10.1016","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0429-729X","authenticated-orcid":false,"given":"Giovanni","family":"Morganelli","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefania","family":"Fieni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Dall'Asta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elvira","family":"di Pasquo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vito Andrea","family":"Capozzi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alissa","family":"Valenti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandra","family":"Pezzani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ariane Jeanne Odette","family":"Kiener","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tullio","family":"Ghi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajogmf.2023.101038_bib0001","doi-asserted-by":"crossref","first-page":"1262","DOI":"10.1111\/j.1471-0528.1998.tb10004.x","article-title":"A randomised controlled trial of care of the perineum during second stage of normal labour","volume":"105","author":"McCandlish","year":"1998","journal-title":"Br J Obstet Gynaecol"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0002","unstructured":"Royal College of Obstetricians and Gynaecologist. Greentop Guideline No. 29: The Management of Third- and Fourth-Degree Perineal Tears. 2015. Available at: https:\/\/www.rcog.org.uk\/media\/5jeb5hzu\/gtg-29.pdf. Accessed February 6, 2023."},{"key":"10.1016\/j.ajogmf.2023.101038_bib0003","doi-asserted-by":"crossref","first-page":"461","DOI":"10.1002\/uog.12481","article-title":"Prevalence of anal sphincter injury in primiparous women","volume":"42","author":"Guzm\u00e1n Rojas","year":"2013","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0004","article-title":"Perineal techniques during the second stage of labour for reducing perineal trauma","volume":"6","author":"Aasheim","year":"2017","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0005","doi-asserted-by":"crossref","first-page":"403","DOI":"10.1016\/S0002-9378(97)70506-4","article-title":"Determinants of vaginal-perineal integrity and pelvic floor functioning in childbirth","volume":"176","author":"Klein","year":"1997","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0006","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajogmf.2020.100247","article-title":"Temporal trends in the incidence of and associations between the risk factors for obstetrical anal sphincter injuries","volume":"3","author":"Ekstein-Badichi","year":"2021","journal-title":"Am J Obstet Gynecol MFM"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0007","doi-asserted-by":"crossref","DOI":"10.1136\/bmjopen-2019-032368","article-title":"Obstetric perineal tears, sexual function and dyspareunia among primiparous women 12 months postpartum: a prospective cohort study","volume":"9","author":"Gommesen","year":"2019","journal-title":"BMJ Open"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0008","first-page":"974","article-title":"Frequency of anal sphincter rupture at delivery in Sweden and Finland\u2013result of difference in manual help to the baby's head","volume":"77","author":"Pirhonen","year":"1998","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0009","doi-asserted-by":"crossref","first-page":"197","DOI":"10.1016\/S0266-6138(97)80006-X","article-title":"Reducing perineal trauma: implications of flexion and extension of the fetal head during birth","volume":"13","author":"Myrfield","year":"1997","journal-title":"Midwifery"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0010","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1016\/j.jmwh.2005.05.012","article-title":"Midwifery care measures in the second stage of labor and reduction of genital tract trauma at birth: a randomized trial","volume":"50","author":"Albers","year":"2005","journal-title":"J Midwifery Womens Health"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0011","doi-asserted-by":"crossref","first-page":"993","DOI":"10.1080\/14767058.2019.1619686","article-title":"Hands-on versus hands-off techniques for the prevention of perineal trauma during vaginal delivery: a systematic review and meta-analysis of randomized controlled trials","volume":"34","author":"Pierce-Williams","year":"2021","journal-title":"J Matern Fetal Neonatal Med"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0012","doi-asserted-by":"crossref","first-page":"1070","DOI":"10.1111\/aogs.12914","article-title":"The effect of maneuvers for shoulder delivery on perineal trauma: a randomized controlled trial","volume":"95","author":"Aabakke","year":"2016","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0013","doi-asserted-by":"crossref","first-page":"207","DOI":"10.7861\/futurehosp.3-3-207","article-title":"Training healthcare professionals in quality improvement","volume":"3","author":"Worsley","year":"2016","journal-title":"Future Hosp J"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0014","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajogmf.2022.100661","article-title":"Evidence-based labor management: third stage of labor (part 5)","volume":"4","author":"Angarita","year":"2022","journal-title":"Am J Obstet Gynecol MFM"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0015","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1002\/pst.433","article-title":"Optimal caliper widths for propensity-score matching when estimating differences in means and differences in proportions in observational studies","volume":"10","author":"Austin","year":"2011","journal-title":"Pharm Stat"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0016","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1002\/ijgo.12565","article-title":"Long-term outcomes of the Stop Traumatic OASI Morbidity Project (STOMP)","volume":"142","author":"Basu","year":"2018","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0017","doi-asserted-by":"crossref","first-page":"901","DOI":"10.1097\/AOG.0b013e3181eda77a","article-title":"A multicenter interventional program to reduce the incidence of anal sphincter tears","volume":"116","author":"Hals","year":"2010","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0018","doi-asserted-by":"crossref","DOI":"10.1136\/bmjopen-2013-003355","article-title":"The impact of an intervention programme employing a hands-on technique to reduce the incidence of anal sphincter tears: interrupted time-series reanalysis","volume":"3","author":"Fretheim","year":"2013","journal-title":"BMJ Open"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0019","doi-asserted-by":"crossref","first-page":"106","DOI":"10.1016\/j.jmwh.2005.10.017","article-title":"A comparison of \u201chands off\u201d versus \u201chands on\u201d techniques for decreasing perineal lacerations during birth","volume":"51","author":"de Souza Caroci da Costa","year":"2006","journal-title":"J Midwifery Womens Health"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0020","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1111\/j.1523-536X.2007.00186.x","article-title":"Perineal outcomes and maternal comfort related to the application of perineal warm packs in the second stage of labor: a randomized controlled trial","volume":"34","author":"Dahlen","year":"2007","journal-title":"Birth"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0021","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1007\/s00192-016-3176-4","article-title":"Reducing obstetric anal sphincter injuries using perineal support: our preliminary experience","volume":"28","author":"Naidu","year":"2017","journal-title":"Int Urogynecol J"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0022","doi-asserted-by":"crossref","first-page":"425","DOI":"10.1007\/s13224-014-0535-2","article-title":"A comparison of the \u201dhands-off\u201d and \u201dhands-on\u201d methods to reduce perineal lacerations: a randomised clinical trial","volume":"64","author":"Rezaei","year":"2014","journal-title":"J Obstet Gynaecol India"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0023","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajogmf.2022.100675","article-title":"Hands-on vs hands-off technique for the prevention of perineal injury: a randomized clinical trial","volume":"4","author":"Califano","year":"2022","journal-title":"Am J Obstet Gynecol MFM"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0024","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajogmf.2021.100548","article-title":"Evidence-based labor management: second stage of labor (part 4)","volume":"4","author":"Gimovsky","year":"2022","journal-title":"Am J Obstet Gynecol MFM"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0025","doi-asserted-by":"crossref","first-page":"657","DOI":"10.1016\/j.jogoh.2019.07.004","article-title":"Risk factors for obstetric anal sphincter injuries (OASIS) and the role of episiotomy: a retrospective series of 496 cases","volume":"48","author":"Mahgoub","year":"2019","journal-title":"J Gynecol Obstet Hum Reprod"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0026","unstructured":"World Health Organization. WHO recommendations: intrapartum care for a positive childbirth experience. 2018. Available at:https:\/\/www.who.int\/publications\/i\/item\/9789241550215. Accessed February 6, 2023."},{"key":"10.1016\/j.ajogmf.2023.101038_bib0027","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1002\/ijgo.14091","article-title":"Classification and evaluation of episiotomy practices from 2004 to 2020 and association with OASIS","volume":"159","author":"Morgan","year":"2022","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajogmf.2023.101038_bib0028","article-title":"Selective versus routine use of episiotomy for vaginal birth","volume":"2","author":"Jiang","year":"2017","journal-title":"Cochrane Database Syst Rev"}],"container-title":["American Journal of Obstetrics & Gynecology MFM"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589933323001805?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589933323001805?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T17:29:58Z","timestamp":1793122198000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2589933323001805"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,8]]},"references-count":28,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2023,8]]}},"alternative-id":["S2589933323001805"],"URL":"https:\/\/doi.org\/10.1016\/j.ajogmf.2023.101038","relation":{},"ISSN":["2589-9333"],"issn-type":[{"value":"2589-9333","type":"print"}],"subject":[],"published":{"date-parts":[[2023,8]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Effect of the \u201cshoulder-up\u201d bundle on the incidence of spontaneous perineal injury after vaginal delivery: comparison of 2 historic cohorts after propensity score matching","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.2023.101038","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2023 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}],"article-number":"101038"}}