Risk factors associated with unplanned caesarean section in women with placenta previa: a cohort study

Prevalence of placenta previa among deliveries: An update systematic review and meta-analysis after the introduction of the two-child policy in Mainland China

“…Many maternal and foetal factors are associated with placenta previa, including maternal behavioural and sociodemographic characteristics, endometrial disease or injury, and delayed development of the fertilised egg trophoblast [ 5 – 7 ]. The prevalence of placenta previa has increased rapidly worldwide in recent years, likely due to increases in the rates of advanced maternal age and the number of caesarean sections [ 8 , 9 ].…”