Appropriate placentation is critical to maternal and fetal outcomes. Abnormal placentation, including placenta previa and morbidly adherent placenta, is increasing in incidence and is associated with multiple risk factors including advanced maternal age and history of prior cesarean delivery. Magnetic resonance imaging (MRI) is increasingly used in assessing the type and extent of abnormal placentation, often leading to modifications in surgical approach. Here, we review the MRI features and appropriate reporting of placenta previa and the placenta accreta spectrum.

Original languageEnglish
Pages (from-to)2411-2423
Number of pages13
JournalAbdominal Radiology
Issue number12
StatePublished - 1 Dec 2016


  • MRI
  • Morbidly adherent placenta
  • Placenta accreta
  • Placenta previa


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