Gender Ethnicracial And Life Span Considerations

Placenta previa is more common in women of advanced maternal age (over 35) and in patients with multiparity; it occurs in 1 in 1500 deliveries of 19-year-olds, and 1 in 100 deliveries of women over 35. The incidence of placenta previa has increased over the past 30 years; this increase is attributed to the shift in older women having infants. Overall incidence is 1 in 200 deliveries; risk for recurrence may be as high as 10% to 15%. The maternal mortality rate from previas is 0.3%. Ethnicity and race have no established effects on the risk for placenta previa.

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