Carrie was told she had placenta previa (where your placenta ... when she was 20 weeks' pregnant, so she knew there was a possibility that her baby's birth may not be a straightforward one. At 30 ...

The risks of placenta previa in the second pregnancy also increased by previous placenta previa, advanced maternal age and with birth intervals of less than one year or more than four years.

Multiple logistic regression was used to adjust the estimates for maternal age, ethnicity, deprivation, placenta previa at first birth, inter-birth interval and pregnancy complications.