Figure 2

From: Racial and ethnic differences in the prevalence of placenta previa

Figure 2

Prevalence of placenta previa by maternal age. Prevalence of placenta previa stratified by maternal age, Kaiser Permanente of Northern California birth record data, 1995–2006. The prevalence of placenta previa for the entire cohort (N=394 083) is 0.4%. Women over the age of 30 years have an increasingly higher rate of placenta previa above that of the baseline cohort.