system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A young female with 2 month amenorrhea presents with sudden abdominal pain with adnexal mass, urine pregnancy test is positive. Most likely diagnosis:
assistant
The correct answer is  Ans. b. Ectopic pregnancy (Ref: William's Obstetrics 22/e p253, 265)