UKMLA PLAB AMC USMLE Prometric MCQ

Question:
A primigravida has a single episode of vaginal bleeding in her third trimester. All investigations are normal and at term she goes on to have an uneventful normal vaginal delivery of a healthy infant. Placental examination post-delivery demonstrates a normal sized placenta with a dark-red mass lesion on the fetal surface. The likely diagnosis is

a) placental migration
b) uterine myoma
c) Uterine rupture
d) choriocarcinoma
e) chorangioma