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Type: Journal article
Title: Risk factors for failed induction in nulliparous women
Author: Frederiks, F.
Leemaqz, S.
Dekker, G.
Citation: The Journal of Maternal - Fetal & Neonatal Medicine, 2012; 2012(12):1-9
Publisher: Taylor & Francis Ltd
Issue Date: 2012
ISSN: 1476-7058
Statement of
Femke Frederiks, Shalem Lee and Gus Dekker
Abstract: OBJECTIVE: 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.
Keywords: Failed induction; risk factors; caesarean section
Rights: © 2012 Informa UK, Ltd.
RMID: 0020120876
DOI: 10.3109/14767058.2012.703718
Appears in Collections:Obstetrics and Gynaecology publications

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