This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
A patient presents at 28 weeks gestation with severe abdominal pain, bleeding and hypeension. The most likely diagnosis is : 
Select and explain. 
A. Placenta pre, B. Accidental hemorrhage, C. Vasa pre, D. Rupture of ectopic pregnancy
B: Accidental hemorrhage
Answer: B: Accidental hemorrhage 
Explanation: Accidental hemorrhage