Risk factors for failed induction in nulliparous women

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dc.contributor.authorFrederiks, F.
dc.contributor.authorLeemaqz, S.
dc.contributor.authorDekker, G.
dc.date.issued2012
dc.description.abstractOBJECTIVE: To identify risk factors for failed induction in nulliparous women. MATERIAL AND METHODS: A retrospective cohort study of nulliparous women admitted for induction of labour (IOL). Identification of risk factors for failed IOL by comparing clinical characteristics of patients with a failed IOL defined as birth by caesarean section (LSCS) with those achieving vaginal birth. RESULTS: During a 12 month episode, 400 nulliparous women had an IOL; of these 168 (42%) failed to deliver vaginally. Independent antenatal risk factors for failed IOL were higher maternal age (OR = 1.052 per additional year), being shorter (OR = 1.112 per cm less maternal height) and a lower cervical dilatation score (OR = 1.411 per lower cervical dilatation score). A longer active phase (OR = 1.004 per additional minute) was the only independent intrapartum risk factor for having a LSCS. CONCLUSIONS: Maternal age, height and cervical dilatation are independent antepartum risk factors, while duration of active phase is the single independent intrapartum risk factor for a failed IOL. Increased maternal BMI was less of a risk factor than anticipated with increased risk for failed IOL, as independent risk factor, more or less restricted to the morbidly obese women.
dc.description.statementofresponsibilityFemke Frederiks, Shalem Lee and Gus Dekker
dc.identifier.citationThe Journal of Maternal-Fetal and Neonatal Medicine, 2012; 2012(12):1-9
dc.identifier.doi10.3109/14767058.2012.703718
dc.identifier.issn1476-7058
dc.identifier.issn1476-4954
dc.identifier.orcidLeemaqz, S. [0000-0003-4616-8426]
dc.identifier.orcidDekker, G. [0000-0002-7362-6683]
dc.identifier.urihttp://hdl.handle.net/2440/72530
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.rights© 2012 Informa UK, Ltd.
dc.source.urihttps://doi.org/10.3109/14767058.2012.703718
dc.subjectFailed induction
dc.subjectrisk factors
dc.subjectcaesarean section
dc.titleRisk factors for failed induction in nulliparous women
dc.typeJournal article
pubs.publication-statusPublished

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