In Placenta Praevia, the edge of the Placenta reaches the margin of the internal OS, but Placenta does not cover it, in _ _ _ _ _ Degree.

In Placenta Praevia, the edge of the Placenta reaches the margin of th

1.	In Placenta Praevia, the edge of the Placenta reaches the margin of the internal OS, but Placenta does not cover it, in _ _ _ _ _ Degree.
A.	1st
B.	2nd
C.	3rd
D.	4th
Answer» C. 3rd