Antenatal topographical assessment of placenta accreta with ultrasound


: Dr Hong Soo Wong, Department of Obstetrics and Gynaecology, School of Medicine and Health Sciences, University of Otago, Wellington, New Zealand. Email:


The major risk of placenta accreta is severe haemorrhage when the placenta is separated at delivery. A case series of placenta accreta with antenatal sonographic topographical assessment of myometrial involvement is presented. The extent of myometrial involvement and the vascularity could be assessed by the observation of the extent of placental–uterine wall interface disruption and the vessels crossing the interface disruption sites. Such assessment results in strategic planning of management of the placenta at delivery with favourable pregnancy outcomes.