{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T15:28:05Z","timestamp":1784734085027,"version":"3.55.0"},"reference-count":21,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,1,20]],"date-time":"2015-01-20T00:00:00Z","timestamp":1421712000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["2013\u20102429"],"award-info":[{"award-number":["2013\u20102429"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["2008\u20105857"],"award-info":[{"award-number":["2008\u20105857"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004348","name":"Stockholms L\u00e4ns Landsting","doi-asserted-by":"publisher","award":["20130156"],"award-info":[{"award-number":["20130156"]}],"id":[{"id":"10.13039\/501100004348","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2016,3]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To study the association between duration of second stage of labour and risks of maternal complications (infection, urinary retention, haematoma or ruptured sutures) in the early postpartum period.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Population\u2010based cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting and sample<\/jats:title><jats:p>We included 72\u00a0593 mothers with singleton vaginal deliveries at \u226537\u00a0weeks of gestation in cephalic presentation, using the obstetric database from the Stockholm\u2010Gotland region in Sweden, 2008\u201312.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Logistic regression analysis. Odds ratios (<jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>s) with 95% confidence intervals (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>) were calculated and adjustments were made for maternal age, body mass index, height, smoking, cohabitation, gestational age, labour induction, epidural analgesia and oxytocin augmentation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Rates of any complication varied by parity from 7.3% in parous women with previous caesarean section, 4.8% in primiparas and 1.7% in parous women with no previous caesarean section. Compared with a second stage &lt;1\u00a0hour, the adjusted <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>s for any complication (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>) in primiparas were for 1 to &lt;2\u00a0hours 1.28 (1.11\u20131.47); 2 to &lt;3\u00a0hours 1.54 (1.32\u20131.79), 3 to &lt;4\u00a0hours 1.63 (1.38\u20131.93) and \u22654\u00a0hours 2.08 (1.74\u20132.49). The corresponding adjusted <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>s for parous women without previous caesarean were 2.27 (1.78\u20132.90), 2.97 (2.09\u20134.22), 3.65 (2.25\u20135.94) and 3.16 (1.44\u20136.94), respectively. The adjusted <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>s for women with previous caesarean were for 1 to &lt;2\u00a0hours 1.62 (1.13\u20132.32); 2 to &lt;3\u00a0hours 1.56 (1.00\u20132.43), 3 to &lt;4\u00a0hours 2.42 (1.52\u20133.87), and \u22654\u00a0hours 2.31 (1.25\u20134.24).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Risks of maternal complications in the postpartum period increase with duration of second stage of labour also after accounting for maternal, pregnancy and delivery characteristics. Special attention has to be given to parous women with previous caesarean deliveries.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.13287","type":"journal-article","created":{"date-parts":[[2015,1,20]],"date-time":"2015-01-20T08:33:56Z","timestamp":1421742836000},"page":"608-616","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":71,"title":["Prolonged second stage of labour, maternal infectious disease, urinary retention and other complications in the early postpartum period"],"prefix":"10.1111","volume":"123","author":[{"given":"O","family":"Stephansson","sequence":"first","affiliation":[{"name":"Clinical Epidemiology Unit Department of Medicine Karolinska University Hospital and Institutet Stockholm Sweden"},{"name":"Department of Women's and Children's Health Division of Obstetrics and Gynaecology Karolinska University Hospital and Institutet Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A","family":"Sandstr\u00f6m","sequence":"additional","affiliation":[{"name":"Clinical Epidemiology Unit Department of Medicine Karolinska University Hospital and Institutet Stockholm Sweden"},{"name":"Department of Women's and Children's Health Division of Obstetrics and Gynaecology Karolinska University Hospital and Institutet Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G","family":"Petersson","sequence":"additional","affiliation":[{"name":"Clinical Epidemiology Unit Department of Medicine Karolinska University Hospital and Institutet Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A\u2010K","family":"Wikstr\u00f6m","sequence":"additional","affiliation":[{"name":"Clinical Epidemiology Unit Department of Medicine Karolinska University Hospital and Institutet Stockholm Sweden"},{"name":"Department of Women's and Children's Health Akademiska Sjukhuset Uppsala University Uppsala Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S","family":"Cnattingius","sequence":"additional","affiliation":[{"name":"Clinical Epidemiology Unit Department of Medicine Karolinska University Hospital and Institutet Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,1,20]]},"reference":[{"key":"e_1_2_11_2_1","first-page":"69","article-title":"Operative vaginal delivery. 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