Having learned about the birth of a baby, everyone is interested in his height and weight, and on the circumference of the head and chest do not ask, and that's the most important anthropometric indices. Which of them should be considered as a deviation?
measure the circumference breast and their heads immediately after the baby's born. The average newborn's head circumference is 34-36 cm, but it does not mean that the kid with the index 33 or 37 cm does not fit into the norm. After all, adults come in different sizes of hats: one fit small, others - large.
All the matter in the proportions
Small or, on the contrary, some in excess of the rate of head circumference can be quite specific feature grudnichka. The main thing is to keep the right proportions, in particular, that as the child grows the ratio of head circumference and chest changed appropriately.
The circumference of the head and the chest of the child: normal and when to worry / istockphoto.com
Head circumference and chest is equal to 4 months
Head circumference at birth is greater than 2 cm chest circumference (32-34 cm). And in 4 months have equal numbers. This means that the lungs are well developed, and that the child has not increased intracranial pressure. It makes disperse seams and fontanelles of the skull, making the baby is too big-and in the future threatening headache.
Aberration
Do not be discouraged if your child does not fit into the norm on these indicators, because all kids are different. Besides pediatricians established limits permissible deviations from the norm in the first year of life: by weight - is 1 kg, on the growth - 4 cm, chest circumference - 3 cm, and the circumference of the head - 2.5 cm.
Also you will be interested to read this: Why measure the circumference of the newborn's head