What is growth? Explain the growth pattern starting from birth through childhood till adolescence.
What is growth? Explain the growth pattern starting from birth through childhood till adolescence.
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Growth refers to the physical increase in size and development of an individual's body over time. The growth pattern from birth through childhood to adolescence follows a well-defined trajectory:
Infancy (0-2 years): This is a period of rapid growth characterized by dramatic increases in height, weight, and head circumference. Infants typically double their birth weight by around 5 months and triple it by their first birthday.
Early Childhood (2-6 years): Growth continues at a steady pace, although not as rapid as in infancy. Children gain about 2-3 inches in height per year and become leaner as body proportions change.
Middle Childhood (6-12 years): Growth slows down further but remains steady. Girls typically experience a growth spurt around age 9-10, and boys around age 10-12. Primary (baby) teeth are replaced by permanent teeth during this period.
Adolescence (12-18 years): This stage is marked by a significant growth spurt, especially in height, as puberty begins. Girls usually experience growth spurts earlier than boys. Secondary sexual characteristics develop (breast development in girls, facial hair growth in boys). Growth typically concludes by late teens or early twenties.
Overall, growth during childhood and adolescence is influenced by genetics, nutrition, hormones, and overall health.