<prompt> Young lady presents with acute abdominal pain and history of 1 12 months amenorrhoea on USG examination there is a collection of fluid in the pouch of Douglas and empty uterine cavity. Diagnosis isEctopic pregnancyPelvic hematoceleThreatened abortionTwisted ovarian cyst  <response>: Ans-A ectopic pregnancy Ref Dutta, 6e, p 186 5e, p. 198, 4e, pl98.History of amenorrhoea and absence of gestational sac and collection of fluid in the pouch of Douglas leaves no doubt about the diagnosis of ectopic pregnancy. 