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- Giulia M Muraca, assistant professor1,
- K S Joseph, professor2
- 1Departments of Obstetrics and Gynecology and Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
- 2Department of Obstetrics and Gynaecology and School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada
- muracag{at}mcmaster.ca
Datta mentions the association between race or ethnicity and obstetric anal sphincter injury (OASI).12 Several studies have reported higher rates of OASI in Asian women—between 1.5 and 3.0 times as high as in white women—in high income countries such as Australia,3 Canada,4 Norway,5 the United Kingdom,6 and the United States.7 These higher rates persist even after adjustment for operative vaginal delivery and episiotomy. By contrast, …
