The midparental height is a child's projected adult height based on the heights of the parents
HOW ACCURATE IS THIS?
This is just a very rough estimate of the average height of how tall a child will be when fully grown. You can expect a margin of error of about four inches up or down. The taller the parents, the taller the child is likely to be; similarly, the shorter the parents, the shorter the child
Bone age is an interpretation of skeletal maturity, typically based on radiographs of the left hand and wrist or knee, that has provided useful information in various clinical settings