Which type of medical checkups are necessary to determine if a child’s growth and development are on track?

Well-baby examinations.

Explanation:

Well-baby exams are a type of medical checkup used to monitor the growth and physical development of children. This type of examination is done regularly, as children's bodies are constantly developing and growing. These tests evaluate the child from head to toe, observing height, weight, relationship between limb height, child's perception, head shape, body balance, movement, among other things that provide a diagnosis of the whole body of the child.

the answer is d its the most logical and accurate out of them all : )