Marginal previa occurs when the placenta is (refer to Case Study 2: Vaginal Bleeding)
A) Completely covering the cervical os
B) Partially covering the cervical os
C) At the edge of the cervical os
D) Outside of the uterus

Question

Quizplus · Accepted Answer

Placenta previa can occur in three different patterns: total or complete, partial, and marginal. Marginal previa occurs when the placenta is at the edge of the cervical os or encroaches on the os, but does not cover it. In partial previa, the placenta partially covers the os, and in complete previa, the placenta covers the entire cervical os.

Marginal Previa Occurs When the Placenta Is (Refer to Case