- The study analyzed trends and recurrence rates of placenta praevia in over 790,000 deliveries in New South Wales from 2001 to 2009, revealing a 26% increase in the condition.
- The rate of placenta praevia rose from 0.69% to 0.87%, with a statistically significant trend (P < 0.001).
- Recurrence rates for placenta praevia in subsequent pregnancies were found to be 4.8%, with most of the increase in cases linked to known risk factors, while some changes might be due to unknown factors or diagnostic criteria adjustments.