How tall should a 13-year-old be?

Patient's question:

No

Doctor's answer:

Men: (Height in cm - 80) × 70% = Standard Weight
Women: (Height in cm - 70) × 60% = Standard Weight
Normal weight is ±10% of the standard weight
Weight is considered overweight or underweight if it is ±10% to ±20% of the standard weight
Weight is considered obese or underweight if it is more than ±20% of the standard weight