Female who is 22 weeks pregnant presents with painless bright red bleeding. What is the diagnosis? What procedure is contraindicated? How accurate is US for diagnosing the problem?
a) Placental Abruption; Amniocentesis; 80%
b) Placenta Previa; Cervical Cerclage; 90%
c) Preterm Labor; Fetal Scalp Electrode Placement; 70%
d) Incompetent Cervix; External Cephalic Version; 60%