{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T19:20:01Z","timestamp":1777749601335,"version":"3.51.4"},"reference-count":10,"publisher":"Informa UK Limited","issue":"17","content-domain":{"domain":["www.tandfonline.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Maternal-Fetal &amp; Neonatal Medicine"],"published-print":{"date-parts":[[2018,9,2]]},"DOI":"10.1080\/14767058.2017.1340448","type":"journal-article","created":{"date-parts":[[2017,6,13]],"date-time":"2017-06-13T03:44:57Z","timestamp":1497325497000},"page":"2271-2275","update-policy":"https:\/\/doi.org\/10.1080\/tandf_crossmark_01","source":"Crossref","is-referenced-by-count":3,"title":["Passive descent in the second stage: evaluation of variation in practice patterns"],"prefix":"10.1080","volume":"31","author":[{"given":"Carol","family":"Morcos","sequence":"first","affiliation":[{"name":"Department of OB\/GYN, The Corvallis Clinic, Good Samaritan Regional Medical Center, Corvallis, OR, USA;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aaron B.","family":"Caughey","sequence":"additional","affiliation":[{"name":"Department of Obstetrics & Gynecology, Oregon Health & Science University, Portland, OR, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"301","published-online":{"date-parts":[[2017,6,28]]},"reference":[{"key":"CIT0001","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000000278"},{"key":"CIT0002","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2015.12.042"},{"key":"CIT0003","first-page":"93711","volume":"123","author":"Caughey AB","year":"2014","journal-title":"Obstet Gynecol"},{"key":"CIT0004","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2012.03.003"},{"key":"CIT0005","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e3182639fae"},{"key":"CIT0006","doi-asserted-by":"publisher","DOI":"10.1111\/jmwh.12199"},{"key":"CIT0007","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2015.10.926"},{"key":"CIT0008","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2004.05.044"},{"key":"CIT0009","doi-asserted-by":"publisher","DOI":"10.1515\/JPM.2000.025"},{"key":"CIT0010","first-page":"595","volume":"30","author":"Frey HA","year":"2013","journal-title":"Am J Perinatol"}],"container-title":["The Journal of Maternal-Fetal &amp; Neonatal Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/14767058.2017.1340448","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,8,16]],"date-time":"2020-08-16T23:18:58Z","timestamp":1597619938000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/14767058.2017.1340448"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,6,28]]},"references-count":10,"journal-issue":{"issue":"17","published-print":{"date-parts":[[2018,9,2]]}},"alternative-id":["10.1080\/14767058.2017.1340448"],"URL":"https:\/\/doi.org\/10.1080\/14767058.2017.1340448","relation":{},"ISSN":["1476-7058","1476-4954"],"issn-type":[{"value":"1476-7058","type":"print"},{"value":"1476-4954","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,6,28]]},"assertion":[{"value":"The publishing and review policy for this title is described in its Aims & Scope.","order":1,"name":"peerreview_statement","label":"Peer Review Statement"},{"value":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=ijmf20","URL":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=ijmf20","order":2,"name":"aims_and_scope_url","label":"Aim & Scope"},{"value":"2017-03-19","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2017-06-06","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2017-06-28","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}