This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ectopic Pregnancy (Hello ! Where are you ?), Subject name: Gynaecology & Obstetrics
A women presented with amenorrhea since 8 weeks, acute pain in abdomen & vaginal discharge. Which is the best investigation, if available, needed to be done to rule out ectopic pregnancy :- 
Select and explain. 
A. Urine pregnancy test, B. Laparascopy, C. USG, D. Hysteroscopy
B: Laparascopy
Answer: B: Laparascopy 
Explanation: Ectopic pregnancy Is one in which the feilized ovum is implanted & develops outside the normal endometrial cavity Site Tubal (most common) Ovarian Abdominal Cervical Common cause Salpingitis PID Contraception failure (IUCD ) Tubal ligation Presentation Abdominal pain Amenorrhea Vaginal bleeding Diagnosis hCG ( either in urine or serum ): to check doubling titres Transvaginal sonography; usual test to diagnose an ectopic pregnancy in the OPD Laparoscopy (confirmation) best test: This of course is not the first test to be done for the diagnosis. This is mostly done when the clinical and USG suspicion is almost sure and a laparoscopy hence is diagnostic as well as therapeutic intervention. Treatment Surgical or medical * Surgery could be done either by laparoscopy or laparotomy, either salpingotomy or salpingectomy