A1 Refereed original research article in a scientific journal
The risk of cesarean delivery after labor induction among women with prior pregnancy complications: a subgroup analysis of the AFFIRM study
Authors: Leslie Skeith, Grégoire Le Gal, Johanna I. P. de Vries, Saskia Middeldorp, Mariëtte Goddijn, Risto Kaaja, Jean-Christophe Gris, Ida Martinelli, Ekkehard Schleußner, David Petroff, Nicole Langlois, Marc A. Rodger; for the AFFIRM investigators
Publisher: BMC
Publication year: 2019
Journal: BMC Pregnancy and Childbirth
Journal name in source: BMC PREGNANCY AND CHILDBIRTH
Journal acronym: BMC PREGNANCY CHILDB
Article number: ARTN 455
Volume: 19
Issue: 1
Number of pages: 8
DOI: https://doi.org/10.1186/s12884-019-2615-x
Web address : https://bmcpregnancychildbirth.biomedcentral.com/articles/10.1186/s12884-019-2615-x
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/45138482
Background:To determine the risk of cesarean delivery after labor induction among patients with prior placenta-mediated pregnancy complications (pre-eclampsia, late pregnancy loss, placental abruption or intrauterine growth restriction).MethodsThe AFFIRM database includes patient level data from 9 randomized controlled trials that evaluated the role of LMWH versus no LMWH during pregnancy to prevent recurrent placenta-mediated pregnancy complications. The primary outcome of this sub-study was the proportion of women who had an unplanned cesarean delivery after induction of labor compared to after spontaneous labor.
Results: There were 512 patients from 7 randomized trials included in our sub-study. There was no difference in the risk of cesarean delivery between women with labor induction (21/148, 14.2%) and spontaneous labor (79/364, 21.7%) (odds ratio (OR) 0.60, 95% CI, 0.35-1.01; p=0.052). Among 274 women who used LMWH prophylaxis during pregnancy, the risk of cesarean delivery was lower among those that underwent labor induction (9.8%) compared to spontaneous labor (22.4%) (OR 0.38, 95% CI, 0.17-0.84; p=0.01).
Conclusions: The risk of cesarean delivery is not increased after labor induction among a higher risk patient population with prior pregnancy complications. Our results suggest that women who receive LMWH during pregnancy might benefit from labor induction.
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