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Placenta accreta spectrum and uterine SCAR dehiscence: Distinct entities or a continuum? An expert debate and call

Theophilus Adu-Bredu1, Rozi Aditya Aryananda2, Sarah P Walker3

  • 1Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, UK.

Acta Obstetricia Et Gynecologica Scandinavica
|February 11, 2026
PubMed

Placenta accreta spectrum and uterine scar dehiscence in cases of low-lying or previa placentas have become an issue of intense debate among experts due to their common etiological origin. Some authors argue both conditions as a continuum while others maintain their distinct nature, while acknowledging both conditions could occur simultaneously. This ongoing debate has significant implications for diagnosis, patient counseling, and management. In this article, we present both sides of this debate, discuss diagnostic and management challenges, and call for standardization of terminology.

Keywords:
caesarean deliverydehiscenceplacenta previaultrasounduterine defect

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