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
Total body water at bih is:-
assistant
The correct answer is  Total body water (TBW) constitutes: 90% of body weight in early fetal life 75% of body weight at bih 60% by the end of 1styear & remains so till pubey