Towards more accurate measurement of edge to os distance in low-lying placenta using three dimensional transvaginal ultrasound: an innovative technique.
Somayya M SadekReda A AhmadHytham AtiaAdel G AbdullahPublished in: BMC pregnancy and childbirth (2018)
Two dimensional TVS may not be accurate in EOD measurements in many cases of low-lying placentas, and 3D TVS may increase the accuracy of measurements in these cases. This new method is simple, precise and easily applied.