{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:44:17Z","timestamp":1787013857999,"version":"build-2736575974"},"reference-count":19,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2016,5,17]],"date-time":"2016-05-17T00:00:00Z","timestamp":1463443200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003035","name":"Aase og Ejnar Danielsens Fond","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003035","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Approximately 85% of vaginal deliveries are accompanied by perineal trauma. The objective of this trial was to compare the incidence of perineal trauma after primary delivery of either the anterior or posterior shoulder during vaginal delivery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and methods<\/jats:title>\n                    <jats:p>This was a randomized single\u2010blinded trial comparing primary delivery of either the anterior or posterior shoulder in women having their first vaginal delivery. Primary outcome was any perineal trauma. Results were analyzed according to the intention\u2010to\u2010treat principle and supplemented with a per\u2010protocol and as\u2010treated analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Between June 2013 and March 2015, 650 women were randomized, and 543 (posterior,\n                      <jats:italic>n<\/jats:italic>\n                      = 281; anterior,\n                      <jats:italic>n<\/jats:italic>\n                      = 262) were included in the final intention\u2010to\u2010treat analysis. Most group characteristics were similar. The frequency of any perineal trauma did not differ between the two groups (posterior: 91.5%, anterior: 90.5%; odds ratio 1.130, 95% confidence interval 0.628\u20122.032,\n                      <jats:italic>p<\/jats:italic>\n                      = 0.684). The results did not change after adjustment for basic characteristics with significant group differences (a\n                      <jats:sub>1<\/jats:sub>\n                      odds ratio 1.174, 95% confidence interval 0.632\u20122.179,\n                      <jats:italic>p<\/jats:italic>\n                      = 0.612) or predefined risk factors (a\n                      <jats:sub>2<\/jats:sub>\n                      odds ratio 1.139, 95% confidence interval 0.599\u20122.166,\n                      <jats:italic>p<\/jats:italic>\n                      = 0.691). The rate of perineal trauma also did not differ between the groups in a \u201cper\u2010protocol\u201d and \u201cas\u2010treated\u201d analysis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>There was no difference in the degree of perineal trauma after primary delivery of either the anterior or posterior shoulder. Consequently both maneuvers for shoulder delivery can be used at vaginal delivery, but further trials are warranted before certain methods can be recommended.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/aogs.12914","type":"journal-article","created":{"date-parts":[[2016,4,27]],"date-time":"2016-04-27T11:02:04Z","timestamp":1461754924000},"page":"1070-1077","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["The effect of maneuvers for shoulder delivery on perineal trauma: a randomized controlled trial"],"prefix":"10.1111","volume":"95","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4754-506X","authenticated-orcid":false,"given":"Anna J.M.","family":"Aabakke","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology University of Copenhagen Holb\u00e6k Hospital Holb\u00e6k Denmark"},{"name":"Department of Obstetrics and Gynecology Herlev University Hospital Herlev Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9455-6928","authenticated-orcid":false,"given":"Hanne","family":"Willer","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology University of Copenhagen Holb\u00e6k Hospital Holb\u00e6k Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5433-4776","authenticated-orcid":false,"given":"Lone","family":"Krebs","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology University of Copenhagen Holb\u00e6k Hospital Holb\u00e6k Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,5,17]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1523-536x.1999.00011.x"},{"key":"e_1_2_9_3_1","unstructured":"KindbergS.Hvor stor risiko er der for at f\u00e5 en bristning. [What is the risk of a perineal tear \u2010 results from a Danish audit at a University Hospital.](in Danish). Available online at:http:\/\/www.gynzone.dk\/kvinde-liv\/faq-om-underliv(accessed July 1 2015)."},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1523-536X.2008.00222.x"},{"key":"e_1_2_9_5_1","first-page":"CD006672","article-title":"Perineal techniques during the second stage of labour for reducing perineal trauma","volume":"12","author":"Aasheim V","year":"2011","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.midw.2005.12.006"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e31816c4402"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2012-001649"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e3181eda77a"},{"key":"e_1_2_9_10_1","first-page":"509","volume-title":"Myles textbook for midwives","author":"Downe S","year":"2009"},{"key":"e_1_2_9_11_1","first-page":"374","volume-title":"Williams obstetrics","author":"Cunningham FG","year":"2009"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0020-7292(02)90001-9"},{"key":"e_1_2_9_13_1","unstructured":"Royal College of Obstetricians and Gynaecologists.Shoulder Dystocia. Green\u2010top Guideline No. 42. Available online at:http:\/\/www.rcog.org.uk\/files\/rcog-corp\/GTG42_25112013.pdf(accessed July 22 2015)."},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2010.05.002"},{"key":"e_1_2_9_15_1","first-page":"pii: 1401","article-title":"Perineal care","volume":"2011","author":"Kettle C","year":"2011","journal-title":"Clin Evid"},{"key":"e_1_2_9_16_1","unstructured":"Royal College of Obstetricians and Gynaecologists.The Management of Third\u2010 and Fourth\u2010Degree Perineal Tears. Green\u2010top Guideline No. 29. Available online at:http:\/\/www.rcog.org.uk\/files\/rcog-corp\/GTG2911022011.pdf(accessed January 14 2014)."},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.c869"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-148-4-200802190-00008"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1186\/1745-6215-15-291"},{"key":"e_1_2_9_20_1","unstructured":"Statens Serum Institut.Dataformidling: Sygehusf\u00f8dsler og komplikationer. [Data communication: Hospital births and complications.](in Danish). Available online at:http:\/\/www.ssi.dk\/Sundhedsdataogit\/Dataformidling\/Sundhedsdata\/Fodsler\/Sygehusfodsler.aspx(accessed December 18 2013)."}],"container-title":["Acta Obstetricia et Gynecologica Scandinavica"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Faogs.12914","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/aogs.12914","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,24]],"date-time":"2023-09-24T04:32:01Z","timestamp":1695529921000},"score":1,"resource":{"primary":{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/10.1111\/aogs.12914"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,5,17]]},"references-count":19,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2016,9]]}},"alternative-id":["10.1111\/aogs.12914"],"URL":"https:\/\/doi.org\/10.1111\/aogs.12914","archive":["Portico"],"relation":{},"ISSN":["0001-6349","1600-0412"],"issn-type":[{"value":"0001-6349","type":"print"},{"value":"1600-0412","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,5,17]]},"assertion":[{"value":"2016-01-14","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2016-04-19","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2016-05-17","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}