|Title:||Labour duration and timing of interventions in women planning vaginal birth after caesarean section|
|Authors :||Grylka, Susanne|
Gross, Mechthild Maria
|Published in :||Midwifery|
|Publisher / Ed. Institution :||Elsevier|
|License (according to publishing contract) :||Licence according to publishing contract|
|Type of review:||Peer review (Publication)|
|Subjects :||Duration; Regression; Caesarean; Labour|
|Subject (DDC) :||618.4: Childbirth|
|Abstract:||Objective: understanding the labour characteristics of women attempting vaginal birth after caesarean (VBAC) may suggest how to improve intrapartum management and may enhance success rates. Promoting VBAC is a relevant factor in decreasing overall caesarean section (c-section) rates. However, the labour processes of women attempting VBAC are not well investigated. The aim of this paper is to compare multiparae planning a first VBAC (pVBAC) with primiparae and with multiparae planning a second vaginal birth, all starting to give birth vaginally, with regard to (a) perinatal characteristics, (b) the timing of intrapartal spontaneous rupture of membranes (SROM) and of interventions, and (c) labour duration, with respect to the first and second stages. Setting: cohort study of women planning vaginal birth in 47 obstetric units in Lower Saxony, Germany. Participants: 1897 primiparae, 211 multiparae with one previous c-section and 1149 multiparae with one previous vaginal birth. Measurements: secondary analysis of data from an existing cohort study. Kaplan-Meier estimates, log rank test, Wilcoxon test and shared frailty Cox regression models including time-varying covariates were used to compare the timing of interventions and labour duration between the subsamples. Analyses were done with the statistics programme Stata 13. Findings: perinatal and labour characteristics of multiparae with pVBAC mainly resembled those of primiparae and differed from those of multiparae planning a second vaginal birth. However, compared to primiparae, multiparae with pVBAC received oxytocin less often (48.82 versus 56.95%, p=0.024) and gave birth vaginally significantly less often (69.19 versus 83.40%, pKEY CONCLUSION: labour patterns of multiparous women planning a VBAC differ from those of primiparae and other multiparous women. Multiparae with pVBAC should be considered as a distinct group of parturients. Implication for practice: expectations regarding labour progression for multiparae with first pVBAC should be similar to those for primiparae. However, the chance that the second stage of labour might be shorter than in primiparae is relevant and motivating information for pregnant women with a previous c-section in deciding the planned mode of birth.|
|Organisational Unit:||Institute of Midwifery (IHB)|
|Publication type:||Article in scientific Journal|
|Appears in Collections:||Publikationen Gesundheit|
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