Pediatrics At what age upper segment : lower segment ratio becomes 1 : 1 ? A 3 - 6 years B 5 - 8 years C 7 - 10 years D 10 - 12 years 💡 Explanation At what age upper segment : lower segment ratio becomes 1 : 1 ? ✓ Correct Answer: C. 7 - 10 years