Risk factors associated with adverse perinatal outcome in planned vaginal breech labors at term : a retrospective population-based case-control study

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Macharey , G , Gissler , M , Ulander , V-M , Rahkonen , L , Vaisanen-Tommiska , M , Nuutila , M & Heinonen , S 2017 , ' Risk factors associated with adverse perinatal outcome in planned vaginal breech labors at term : a retrospective population-based case-control study ' , BMC Pregnancy and Childbirth , vol. 17 , 93 . https://doi.org/10.1186/s12884-017-1278-8

Title: Risk factors associated with adverse perinatal outcome in planned vaginal breech labors at term : a retrospective population-based case-control study
Author: Macharey, Georg; Gissler, Mika; Ulander, Veli-Matti; Rahkonen, Leena; Vaisanen-Tommiska, Mervi; Nuutila, Mika; Heinonen, Seppo
Contributor organization: University of Helsinki
Clinicum
Department of Obstetrics and Gynecology
HUS Gynecology and Obstetrics
Date: 2017-03-20
Language: eng
Number of pages: 6
Belongs to series: BMC Pregnancy and Childbirth
ISSN: 1471-2393
DOI: https://doi.org/10.1186/s12884-017-1278-8
URI: http://hdl.handle.net/10138/188606
Abstract: Background: Vaginal breech delivery is associated with adverse perinatal outcome. The aim of this study was to identify factors associated with adverse perinatal outcome in term breech pregnancies, and to provide clinicians an aid in selecting women for a trial of vaginal labor with the fetus in breech position. Methods: We conducted a retrospective, nationwide, Finnish population-based case-control study. All planned singleton vaginal deliveries at term with the fetus in breech position between the years 2005 and 2014 were analyzed. The study's end point was a composite set of adverse perinatal outcomes. All infants with an adverse outcome were compared to the infants with normal outcomes. A multivariate logistic regression model was used to analyze the data. Results: An adverse perinatal outcome was recorded for 73 (1.5%) infants. According to the study results fetal growth restriction (adjusted odds ratio, 2.94; 95% CI, 1.30-6.67), oligohydramnios (adjusted odds ratio, 2.94; 95% CI, 1.15-7.18), a history of cesarean section (adjusted odds ratio, 2.94; 95% CI, 1.28-6.77, gestational diabetes (adjusted odds ratio, 2.89; 95% CI, 1.54-5.40), epidural anesthesia (adjusted odds ratio, 2.20; 95% CI, 1.29-3.75) and nulliparity (adjusted odds ratio, 1.84; 95% CI, 1.10-3.08) were associated with adverse perinatal outcome. Conclusions: Adverse perinatal outcome in planned vaginal breech labor at term is associated with fetal growth restriction, oligohydramnios, previous cesarean delivery, gestational diabetes, nulliparity and epidural anesthesia.
Subject: Breech presentation
Risk factors
Cesarean section
Oligohydramnios
Fetal growth restriction
Gestational diabetes
Perinatal morbidity
Perinatal mortality
Macrosomia
FETAL MOVEMENTS
PREGNANCY OUTCOMES
3RD TRIMESTER
DELIVERY
TRIAL
WOMEN
METAANALYSIS
PARITY
HEALTH
3123 Gynaecology and paediatrics
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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