5 Stages of Puberty in Most Boys

The Tanner stages of puberty breaks down puberty into five stages. The changes within each stage are gradual, and they don’t always happen in the same order.

What are the signs of puberty in most boys?

1. Hormones are released 2. Testicles and scrotum grow 3. Sperm production begins 4. Pubic hair

Stage One

1. Growth spurt 2. Body shape changes 3. Muscles grow 4. Nipples may get tender and sore

Stage Two

1. Penis gets longer 2. Voice breaks 3. Ejaculation 4. Wet dreams 5. Pimples

Stage Three

Get to know the rest of the puberty signs here!