Humans come in different shapes and sizes. There is no shape or size that is considered "right." Medical professionals have created healthy guidelines for people. When a baby is born, doctors track many variables to make sure it is developing correctly. These charts and guidelines are not perfect, but they form a framework from which to assess a person's health.

Tracking Growth

Over the years, physicians have developed various methods for tracking growth. Keeping a record of a child's growth patterns helps doctors determine if the child is developing properly. As a person ages, doctors continue to monitor growth, helping patients maintain a healthy weight. Physicians also review height to check for problems of the spine, bone, and other medical conditions.

Growth Charts. Pediatric growth charts have been used by medical professionals since 1977. The charts are used for many measurements of growth in a child. For...