Trends in mode of delivery during 1984-2003: can they be explained by pregnancy and delivery complications?
CM O'Leary, N de Klerk, J Keogh, C Pennell, J de Groot, L York, S Mulroy, FJ Stanley
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY | WILEY | Published : 2007
OBJECTIVES: To describe trends in mode of delivery, to identify significant factors which affected mode of delivery, and to describe how these factors and their impact have changed over time. DESIGN: Total population birth cohort. SETTING: Western Australia 1984-2003. PARTICIPANTS: The analysis was restricted to all singleton infants delivered at 37-42 weeks of gestation with a cephalic presentation (n = 432,327). METHODS: Logistic regression analyses were undertaken to estimate significant independent risk factors separately for elective and emergency caesarean sections compared with vaginal delivery (spontaneous and instrumental), adjusting for potential confounding variables. MAIN OUTCOME..View full abstract