The clinical significance of the type of placenta shown in the USG below is ?
A. Can give rise to identical (monozygotic) twins.
B. Placental abnormalities.
C. Dizygotic twins.
D. None of the above.
The type of placenta shown in the picture above represents circumvallate placenta.
A circumvallate placenta has an extrachorial portion outside the insertion of the amniotic membranes, creating a circumferential groove (vallum in Latin).
Circumvallate placentas are examples of placental abnormalities that usually have no clinical significance.