in this study ,we will recruit 60 cases diagnosed placenta previa accreta by 2D ultrasound and Doppler then patients will have 3D Doppler to calculate placenta accreta index score according to agarawl et al criteria , patients will have cs accroding to our hospital protocol Al demerdash maternity hospital ,Ainshams university .Intraoperative findings will be noticed ,postoperative histopathological examination may br needed in cases of cs hystrectomy ,placenta accreta index score will be compared to intra and postoperative findings , patients will be followed up for two weeks after delivery for any postoperative complication
role of placenta accreta index score in prediction of conservative surgery for placenta placenta accreta spectrum