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Background: Placenta accreta is becoming an increasingly common complication of pregnancy. Placenta accreta originates from abnormal trophoblast invasion. Objective: to assess if uterine artery Doppler and Placental Morphological Features could be predictors of maternal and fetal outcome in pregnancies complicated with placenta previa and placenta previa accreta. Subjects and methods: This study included 80 pregnant women of which they were divided into 3 groups. The first group included 40 pregnant women of normal pregnancies, 2 nd one included 20 pregnant women with placenta previa and the 3 rd one included 20 pregnant women with suspected placenta previa accreta by ultrasound. Abdominal ultrasound and uterine artery Doppler were done in a week before delivery. Results: There was a direct relationship between presence of lacunae especially high grade, placental vascularity (abnormal) and the mean values of uterine artery PI, RI and presence of peripartum maternal and fetal complications. Conclusion: the gray scale and color Doppler ultrasound have a high diagnostic value in the diagnosis by certain placental morphological features, Including loss of retro-placetal clear zone, thinning of myometrial thickness, Intraplacental lacunae, Intraplacental vascularity and exophytic mass into bladder space. Ultrasound is helpful and non-invasive tool in prediction of maternal and fetal outcome. High grade of placental lacunae and abnormal placental vascularity were highly associated with maternal and fetal complications. Uterine artery Doppler PI and RI is also useful in prediction of maternal complications and fetal complications of placenta previa and placenta previa accreta.

Uterine Artery Doppler and Placental Morphological Features as Predictors of Peripartum Complications in Placenta Previa and Placenta Previa Accreta