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
Which X ray is used to determine bone age in a 3 year old child?
assistant
The correct answer is  To determine the skeletal age in infants between 3 and 9 months age, X ray of shoulder is most useful. X ray of hand and wrist is most useful for children between 1 and 13 year age.