This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and development, Subject name: Pediatrics
During 2nd year of life, an average child can grow ____________ 
Select and explain. 
A. 12-15cm, B. 20-25cm, C. 30-40cm, D. 40-50cm
A: 12-15cm
Answer: A: 12-15cm 
Explanation: The infant measures approximately 50 cm at bih, 60 cm at 3 months, 65 cm at 6 months 70 cm at 9 months, 75 cm at 1 year and 90 cm at 2 years. A normal Indian child is 100 cm tall at the age of 4 years. Thereafter, the child gains about 6 cm in height every year, until the age of 12 years. After this, increments in height vary according to the age at the onset of pubey. There is a marked acceleration of the growth during pubey. Ref : Nelson paediatrics Table : 11-1