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During the first 18-24 months of life, the way a
baby grows reflects the nutrition supplied to the child during the mother's
pregnancy, the baby's ongoing nutrition, and over all health of the
baby. Once reaching about the age of 2 years, children will establish
their own growth pattern independent of some of the factors that influenced
their earlier growth.
Children have a regular rhythm to their growth. Physicians will use
growth charts to monitor a child's growth throughout their growing years.
By marking the child's height and weight on a growth chart, the doctor
can monitor for any pattern of growth that is abnormal. Once a child
has established their growth pattern, until puberty, the growth does
not normally change from that pattern. Look at your child's growth chart
if you are concerned. If your child is being measured accurately and
is growing normally, you will see consistent growth from each year to
the next.
Impaired Growth
Growth in children is a sensitive indicator as to
their health. Many different problems can develop that can affect the
way a child grows. A child may develop a hormonal problem that impairs
growth. Or another disease, such as inflammatory bowel disorders, kidney
disease, and chromosomal abnormalities, may affect the way a child grows.
A full evaluation by a qualified pediatric endocrinologist will focus
on the factors that affect growth in the child.
Onset of Puberty :
The earliest that it is normal for a girl to begin
puberty is around the age of 9 years. Usually puberty will start with
changes in the breast and development of both pubic and underarm hair.
While the average age of beginning periods is 12 1/2 years, it is still
within the range of normal for periods to start as early as 10 1/2 or
as late as 16 years. A girl who begins to show signs of puberty before
the age of 9 or has had no pubertal development by age 14 may benefit
from an endocrine evaluation.
For boys, the ages are somewhat older. Most boys begin puberty around
the age of 12 1/2 years. The earliest age that is still within the normal
range is age 11. By age 14 years, most boys will have begun to have
the body changes associated with puberty, including pubic hair, underarm
hair, acne, and enlargement of the testicles. Boys who have pubertal
development before the age of 11 or who have not had any pubertal development
by age 14 may benefit from seeing a pediatric endocrinologist.
During puberty, the rate of growth increases, with children growing
faster than they did in childhood. Parents will remark that a teen seems
to grow "overnight". Most girls will continue to grow until about 2
years after their first period. Most boys complete their growth 3-5
years after entering puberty.
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