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
Of the following potential clinical outcomes of tubal pregnancy, which one is the commonest?
assistant
The correct answer is  Most common termination of an ectopic is that the pregnancy outgrows the blood supply of the tube and eventual vascular insufficiency causes degeneration. Rupture of the tube is a rare outcome.