This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
Placenta accreta is associated with: 
Select and explain. 
A. Placenta pre, B. Uterine scar, C. Multiple pregnancy, D. Multipara
B: Uterine scar
Answer: B: Uterine scar 
Explanation: <p> Placenta accreta is associated with a previous cesarean section scar or any other uterine incision or after uterine curettage. Reference:Mudaliar and Menon&;s clinical obstetrics,12th edition,page no:330 <\p>