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Corresponding Author

Khaled Gaber Emam

Document Type

Original Article

Abstract

Background; The placenta previa (PP) is an obstetric problem in which the placental tissue is improperly located inside the lower uterine segment. Aim and objectives: was to see how effective uterine artery Doppler velocimetry was in detecting unusually morbidly adhering placentas in patients who had had one or more prior caesarean sections with placenta previa. Subjects and methods; Cross-sectional research of 100 patients was undertaken in the Department of Gynecology and Obstetrics, El- Sayed Galal Hospital, AL- Azhar University. Result; Our results showed highly statistically significant correlation between the presence of abnormal lacunae and histopathological confirmation (P-value > 0.001). In addition, the overall Sensitivity, specificity, PPV, NPV and accuracy were 90%, 100%, 100%, 64.2%, 91.6%. This criterion showed very high sensitivity and specificity with very high positive predictive value and accuracy to become the most important criteria, Conclusion; As a result of this, we conclude that the accuracy of abnormal placental lacunae, loss of the reto-placental clear zone, myometrial thinning, and utero-vesical hypervascularity are the most critical ultrasound criteria for diagnosing placenta accreta in patients who had a previous CS with a placenta previa overlying the previous uterine scar.

Keywords

Diagnostic accuracy, Uterine Artery Doppler, Velocimetry, Placenta Previa, lower uterine segment.

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