<prompt> Suspected ectopic pregnancy is best diagnosed byMRITVSX-ray abdomen supineHSG  <response>: Ans. B. TVS Investigation of choice in a case of ectopic pregnancysuspected case of ectopic pregnancy is Transvaginal scan. Findings raising suspicion of ectopic on TVS: Empty uterine cavity: most important Finding of complex adnexal mass Fluid echogenic in the pouch of Douglas. Adnexal mass clearly separated from the ovary. Rarely cardiac motion may be seen in an unruptured tubal ectopic pregnancy. 