With the increasing incidence of placenta accreta spectrum disorders,the prenatal diagnosis of placental implanta-tion and how to accurately determine the degree of disease aggressiveness and refine surgical protocols need to be addressed;therefore,how to better use imaging modalities to predict adverse pregnancy outcomes in patients with placental implantation is an issue that deserves in-depth study.In this article,we review the clinical value of MRI signs for predicting various types of ad-verse pregnancy outcomes.
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