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INFO:
Teenage years are a time of huge structural changes in the body as a result of puberty. As such, weight gain during these formative years is variable, yet normal. On average, 15-year-old boys have a height of 1.7 metres (67 inches), and 15-year-old girls have a height of 1.63 metres (64 inches).
The average 15-year-old height and weight ▶