This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, Development, and Behavior, Subject name: Pediatrics
The growth chart of Rahul is shown from his early childhood till he becomes an adult. He had short stature during childhood. What could be the underlying cause for the same? 
Select and explain. 
A. Familial short stature, B. Growth hormone deficiency, C. Constitutional delay in growth & puberty, D. Achondroplasia
C: Constitutional delay in growth & puberty
Answer: C: Constitutional delay in growth & puberty 
Explanation: c. Constitutional delay in growth and pubertyHe had short stature during childhood, but the final adult height attained is normal.