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 baby can reaches out to an object and hold it with both hands, can hold neck, but can't sit without suppo. What is the age of the developmental age of the baby?
assistant
The correct answer is  In 5 months baby can have intentional reaching with bidextrous grasp and can sit with suppo. By 3 months baby can hold neck. Ref: O.P Ghai, 6th Edition, Pages 44, 45