This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
The following statement about Gomez classification is True ? 
Select and explain. 
A. Based on height retardation, B. Based on median weight for age, C. Between 75 and 89% implies mild malnutrition, D. This classification has prognostic value for hospitalization of children
B: Based on median weight for age
Answer: B: Based on median weight for age 
Explanation: Gomez classification of Undernutrition Index Grading 90-75% Grade I <75-60% Grade 2 <60% Grade 3 Ref: Nelson Textbook of Paediatrics; 20th edition; Chapter 46 Nutrition, Food Security, and Health