Infant Growth

Definition

Process of development and increase in physical dimensions of a child, resulting from cell multiplication and volume increase, under genetic, hormonal, and nutritional influence. It is evaluated by height, weight, and cranial perimeter.

How it works

Infant growth is a multifactorial phenomenon dependent on genetic, hormonal (growth hormone, thyroid hormones, insulin), and environmental factors, including nutrition. It is not linear: the first two years see rapid growth, followed by a gradual slowdown until puberty, where a new acceleration called pubertal growth spurt occurs.

Role

Key indicator of the child's overall health, well-being, and adequacy of nutrition during development.

Examples

• Weight gain of 200-250 g/week in the newborn
• Height growth of 25 cm/year in children under 3 years
• Pubertal growth spurt of 8-14 cm/year
• Increase in cranial perimeter
• Muscle and bone development

Recommendations

Regularly follow growth during medical visits using standardized growth curves. Maintain a balanced and nutrient-rich diet to support this dynamic process. Consult quickly if you notice an unexplained slow-down in growth.

Key takeaway

Harmonious and regular growth is a reflection of good health and adequate nutrition during childhood.

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