Low-lying placenta is when the edge of placenta is __________
When the placental edge is <2cm from, but not over, the internal os, the placenta is defined as low-lying placenta. The diagnosis of low-lying placenta is made by the ultra sound examination. Ref: Williams Obstetrics 25th edition Pgno: 774
<2cm away from the internal os
>2.5 cm away from the internal os
>2 cm away from the internal os
<2.5 cm away from the internal os
General obstetrics