What is the first, often unnoticed physical sign of puberty in boys?

Take this fun quiz about Tweens & Pre-Puberty (9–12) and test your knowledge. Learn something new with Mom Mirror!

1. What is the first, often unnoticed physical sign of puberty in boys?
2. At what age does puberty usually start in most boys?
3. When does a boy's pubertal growth spurt typically happen compared with girls?
4. What's helpful to know about voice breaking?
5. How common are nocturnal emissions ('wet dreams') in pubescent boys?
6. What is gynaecomastia in puberty?
7. How do you best respond to your son's 'grumpy' withdrawal?
8. Which of these changes typically happens as one of the later signs in boys?