By using 2d Ultrasound on 3rd trimester pregnant women, a model is made to help differentiate between placenta accreta spectrum and uterine scar dehiscence before operative action to help prepare multi-disciplinary steps if needed
Women in 3rd trimester pregnancy with low lying placenta previa
History of 1 or more C-section
Patients planning to deliver baby in Assiut women health hospital
Willing and able to participate
Antepartum Hemorrhage(sever attack) as it hinders time for accurate diagnosis and calling expert team of diagnosis