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
In Moore's classification of omphalocole (examphalos), type I umbilical defect is less than ________ cm.
assistant
The correct answer is  Moore suggested a classification of omphalocele into types 1, 2 and 3 with the diameters of < 2.5 cm, 2.5 to 5 cm and > 5 cm respectively.