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 women at 8 months of pregnancy complains of abdominal pain and slight vaginal bleed. On examination the uterine size is above the expected date with absent fetal heart sounds. The diagnosis: 
Select and explain. 
A. Hydramnios, B. Concealed hemorrhage, C. Active labour, D. Uterine rupture
B: Concealed hemorrhage
Answer: B: Concealed hemorrhage 
Explanation: Let’s analyse all options separately to see which suits the best.