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 woman presents with amenorrhoea of 2 months duration; lower abdominal pain, facial pallor fainting and shock. Diagnosis is : 
Select and explain. 
A. Ruptured ovarian cyst, B. Ruptured ectopic pregnancy, C. Threatened aboion, D. Septic aboion
B: Ruptured ectopic pregnancy
Answer: B: Ruptured ectopic pregnancy 
Explanation: Ans. is b i.e. Ruptured ectopic pregnancy