What is the first sign of puberty change in boys?

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Multiple Choice

What is the first sign of puberty change in boys?

Explanation:
The first sign of puberty in boys is enlargement of the testes. This reflects the activation of the hypothalamic-pituitary-gonadal axis and the rise in testosterone that drives gonadal maturation. Once the testes enlarge, other pubertal changes follow later—such as penile growth, facial hair, and deepening of the voice—as testosterone levels continue to rise.

The first sign of puberty in boys is enlargement of the testes. This reflects the activation of the hypothalamic-pituitary-gonadal axis and the rise in testosterone that drives gonadal maturation. Once the testes enlarge, other pubertal changes follow later—such as penile growth, facial hair, and deepening of the voice—as testosterone levels continue to rise.

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