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 32 year old woamn with two live children was brought to emergency with the history of missed period for 15 dyas, spotting since 7 days and pain abdomen since 6hrs. Her pulse was 120/min, pallor ++, systolic BP BOmmHg. There was fullness and ternderness on per abdomen examination. Cu-T thread was seen through external os on P/S examination On PN examination, cervical movements were tender, uterus was bulky and soft. There was fullness in pouch of Douglas. She is most likely suffering from : 
Select and explain. 
A. Pelvic inflammatory disease, B. Missed aboriton with infectkion, C. Rupture ectopic pregnancy, D. Threatened aboriton
C: Rupture ectopic pregnancy
Answer: C: Rupture ectopic pregnancy 
Explanation: Rupture ectopic pregnancy