The parameter that is used to compare the growth pattern of a child is:
A growth chart is used to make comparisons of characteristics of one child in relation to other children of the same age grade.
The contents of a growth chart include:
This is important because it helps to detect if a child has a medical problem early enough.
Please note that your question is incomplete, so i gave you a general overview.
The four stages of a child's development includes:
Read more here:
https://brainly.com/question/15654475