Breech presentation at term and associated obstetric risks factors-a nationwide population based cohort study

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Macharey , G , Gissler , M , Rahkonen , L , Ulander , V-M , Vaisanen-Tommiska , M , Nuutila , M & Heinonen , S 2017 , ' Breech presentation at term and associated obstetric risks factors-a nationwide population based cohort study ' , Archives of Gynecology and Obstetrics , vol. 295 , no. 4 , pp. 833-838 . https://doi.org/10.1007/s00404-016-4283-7

Title: Breech presentation at term and associated obstetric risks factors-a nationwide population based cohort study
Author: Macharey, Georg; Gissler, Mika; Rahkonen, Leena; Ulander, Veli-Matti; Vaisanen-Tommiska, Mervi; Nuutila, Mika; Heinonen, Seppo
Other contributor: University of Helsinki, University of Helsinki
University of Helsinki, Clinicum
University of Helsinki, Department of Obstetrics and Gynecology
University of Helsinki, Department of Obstetrics and Gynecology
University of Helsinki, HUS Gynecology and Obstetrics
University of Helsinki, Clinicum



Date: 2017-04
Language: eng
Number of pages: 6
Belongs to series: Archives of Gynecology and Obstetrics
ISSN: 0932-0067
DOI: https://doi.org/10.1007/s00404-016-4283-7
URI: http://hdl.handle.net/10138/236696
Abstract: Purpose The aim of this study was to estimate whether breech presentation at term was associated with known individual obstetric risk factors for adverse fetal outcome. Methods This was a retrospective, nationwide Finnish population-based cohort study. Obstetric risks in all breech and vertex singleton deliveries at term were compared between the years 2005 and 2014. A multivariable logistic regression model was used to determine significant risk factors. Results The breech presentation rate at term for singleton pregnancies was 2.4%. The stillbirth rate in term breech presentation was significantly higher compared to cephalic presentation (0.2 vs 0.1%). The odds ratios (95% CIs) for fetal growth restriction, oligohydramnios, gestational diabetes, a history of cesarean section and congenital fetal abnormalities were 1.19 CI (1.07-1.32), 1.42 CI (1.27-1.57), 1.06 CI (1.00-1.13), 2.13 (1.98-2.29) and 2.01 CI (1.92-2.11). Conclusions The study showed that breech presentation at term on its own was significantly associated with antenatal stillbirth and a number of individual obstetric risk factors for adverse perinatal outcomes. The risk factors included oligohydramnios, fetal growth restriction, gestational diabetes, history of caesarean section and congenital anomalies.
Subject: Breech presentation
Predicting factors
Risk factors
Fetal growth restriction
Stillbirth
Oligohydramnios
PLANNED VAGINAL BIRTH
FETAL MOVEMENTS
CEREBRAL-PALSY
DELIVERY
PREGNANCY
TRIAL
OUTCOMES
OLIGOHYDRAMNIOS
NETHERLANDS
CHILDREN
3123 Gynaecology and paediatrics
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