This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ecotopic Pregnancy, Subject name: Gynaecology & Obstetrics
A 21-years-old girl with 8 weeks amenorrhoea, now comes in shock. The likely diagnosis is: 
Select and explain. 
A. Ruptured ectopic pregnancy, B. Incarcerated amnion, C. Twisted ovarian cyst, D. Threatened abortion
A: Ruptured ectopic pregnancy
Answer: A: Ruptured ectopic pregnancy 
Explanation: Ans. is a, i.e. Ruptured ectopic pregnancyRef Dutta Obs. 7/e, p 182Remember: History of acute abdominal catastrophe with fainting attack and collapse i.e. shock following short period of amenorrhea, in a woman of child bearing age always points towards ectopic pregnancy (ruptured) and no other diagnosis.