Which of the following findings are highly predictive of placenta accreta: (A) Large intraplacental lakes; fundal placenta., (B) Less than 1mm between uterine serosa - bladder interface and retroplacental vessels ; lateral placenta., (C) Less than 1 mm between uterine serosa - bladder interface and retroplacental vessels ; large placental lakes., (D) None of the above.
Answer is C. If distance between uterine serosa-bladder wall interface and retroplacental vessels is <1mm and if there are large intraplacental lacunae → placenta accreta is likely.