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Growth Rates Throughout Childhood 39
(a) (b)
32 32 33 34 35 36 7 38 3 40
(c)
(d)
Figure 2.1.1 (a) Measuring length (b) Measuring head circumference (c) Measuring height (d) Measuring weight
of an infant. You would measure the weight of older children this way!
which the growth rate increases rapidly for a period of ●● growth factors such as insulin-like growth
about 3 years (Tables 2.1.1 and 2.1.2). factor 1 (IGF-I), insulin-like growth factor 2
(IGF-II), epidermal growth factor (EGF),
Biological drivers of growth fibroblast growth factor (FGF) and transforming
The regulation of growth is a complex process and growth factor (TGF).
the key drivers change as age increases. The main
drivers (Table 2.1.3) are: The influence of hormonal and growth factors will
be largely under genetic control, hence the tendency
●● nutrition for children’s growth patterns to relate to their
●● hormones parent’s stature.
