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dc.contributor.authorEinarsdóttir, Kristjana
dc.contributor.authorBogadóttir, Hjördís Ýr
dc.contributor.authorBjarnadóttir, Ragnheiður Ingibjörg
dc.contributor.authorSteingrímsdóttir, Þóra
dc.date.accessioned2018-11-15T10:17:37Z
dc.date.available2018-11-15T10:17:37Z
dc.date.issued2018-09-19
dc.date.submitted2018-11
dc.identifier.citationThe Effect of Maternal Age on Obstetric Interventions in a Low-Risk Population. 2018: 63(5) Journal of midwifery & women's healthen_US
dc.identifier.issn1542-2011
dc.identifier.pmid30230193
dc.identifier.doi10.1111/jmwh.12888
dc.identifier.urihttp://hdl.handle.net/2336/620741
dc.descriptionTo access publisher's full text version of this article click on the hyperlink belowen_US
dc.description.abstractObstetric interventions appear to increase with advancing maternal age, but limited supporting evidence exists, particularly for young women and specifically for prelabor and intrapartum cesarean birth. The aim of this study was to explore the association between obstetric interventions and maternal age in a low-risk population. The study was restricted to all low-risk, nulliparous women with singleton, vertex, term births who gave birth in Iceland from 1997 to 2015, identified in the Icelandic Medical Birth Registry. Logistic regression models were used to calculate adjusted odds ratios (aORs) and 95% CIs for the risks of labor induction, instrumental birth, and cesarean birth (prelabor and intrapartum), according to maternal age group. All models were adjusted for gestational age, year of birth, and demographic factors, and the models for intrapartum cesarean birth were also adjusted for dystocia and fetal distress. For women aged more than 40 years, the aOR for induction of labor was 4.69 (95% CI, 3.2-6.8) compared with women aged between 25 and 29 years. In women aged more than 40 years, the increased risks for prelabor cesarean birth and intrapartum cesarean birth were 7.4 (95% CI, 3.0-18.0) and 3.6 (95% CI, 2.1-6.0), respectively. The risk of instrumental birth was slightly increased for women aged between 35 and 39 years (aOR, 1.6; 95% CI, 1.3-2.0), compared with women aged between 25 and 29 years, but not for women aged at least 40 years (aOR, 1.1; 95% CI, 0.7-1.9). For women aged less than 20 years, the risk of induction of labor (aOR, 0.8; 95% CI, 0.7-0.9) and instrumental births (aOR, 0.6; 95% CI, 0.5-0.7) was reduced compared with women aged between 25 and 29 years. The risk of interventions generally increased with increasing maternal age, but the risk of instrumental births was not increased for women aged over 40 years. Also, young women were at a decreased risk of induction of labor and instrumental births.en_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.urlhttps://onlinelibrary.wiley.com/doi/full/10.1111/jmwh.12888en_US
dc.subjectcesarean birthen_US
dc.subjectinstrumental birthsen_US
dc.subjectlabor inductionen_US
dc.subjectmaternal ageen_US
dc.subjectAldurshóparen_US
dc.subjectFæðingarlækningaren_US
dc.subjectFæðingen_US
dc.subject.meshMaternal Ageen_US
dc.subject.meshObstetric Labor Complicationsen_US
dc.titleThe Effect of Maternal Age on Obstetric Interventions in a Low-Risk Population.en_US
dc.typeArticleen_US
dc.contributor.department[ 1 ] Univ Iceland, Fac Med, Ctr Publ Hlth Sci, Sturlugata 8, IS-101 Reykjavik, Iceland Show more [ 2 ] Univ Iceland, Fac Med, Reykjavik, Iceland Show more [ 3 ] Landspitali Univ Hosp, Ctr Dev Primary Hlth Care Capital Area, Reykjavik, Iceland Show more [ 4 ] Landspitali Univ Hosp, Dept Obstet & Gynaecol, Reykjavik, Icelanden_US
dc.identifier.journalJournal of midwifery and women's healthen_US
dc.rights.accessNational Consortium - Landsaðganguren_US
dc.departmentcodeOAG12
dc.source.journaltitleJournal of midwifery & women's health


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