Are ethnic differences associated with greater success in VBAC-vaginal birth after caesarean section? Exploration of factors including ethnicity, age, biometric profile, medical and obstetric history in predicting the success of VBAC
Author(s): Khan Z.; Martindale E.
Source: BJOG: An International Journal of Obstetrics and Gynaecology; Mar 2017; vol. 124 ; p. 80
Publication Date: Mar 2017
Publication Type(s): Conference Abstract
Abstract:Introduction The rate of caesarean section deliveries in 2013-2014 has increased to 26.2% by 0.7% since 2011. (Source: The NHS maternity statistics, England, January 2015). Predictors of success in vaginal birth after caesarean section (VBAC) include favourable pelvic examination, spontaneous onset of labour and reduced use of oxytocin infusions. It is not known whether ethnic differences have any bearing on the success of VBAC. This retrospective study explores the characteristics of successful VBAC including ethnic differences. Methods Records from 2015-2016 were explored using K2 Athena maternity database. Selection criteria included those who had one prior caesarean section and one subsequent pregnancy (n = 195). Women who opted for planned caesarean (n = 86) were analysed separately to prevent confounding effects. Women with incomplete clinical information were excluded. Data was analysed using MS Excel. Results Of 195 women initially analysed; 78 were Asian and 114 were of white origin. Those opting for planned caesarean section were more likely to be White than of Asian ethnicity (66% versus 31% respectively). The success of VBAC in this study was 66%. A greater proportion of Asian women (70%) succeeded in VBAC than White women (57%). This effect was independent of the method of induction. Further analyses on women's biometric data, age, medical co-morbidities and obstetric history will be explored in this study to reveal any significant associations. This information would be useful in counselling women appropriately on their chances of VBAC success to guide safer and autonomous decision making.
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