Use of magnetic resonance imaging as an adjunct to ultrasound for prenatal detection of placenta accreta spectrum

The role of MRI as a routine complementary imaging modality to US in a specialist, moderate volume PAS service is uncertain and may incorrectly change the suspected diagnosis. Where expert ultrasound is available, given the additional cost and resources required, the use of routine MRI in this setting warrants further exploration and may be better reserved for select cases.