Obstetric anal sphincter injuries (OASIS) can complicate up to 6% of births and are a major contributor to preventable maternal morbidity. Asian women have a risk of third and fourth… Click to show full abstract
Obstetric anal sphincter injuries (OASIS) can complicate up to 6% of births and are a major contributor to preventable maternal morbidity. Asian women have a risk of third and fourth degree perineal tears up to four times greater than women of other ethnicities in the same community, but the lack of differentiation of Asian women into regional groups has limited insight into the reasons behind their increased risk.
               
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