At what stage of puberty do guys begin to produce semen and sperm?

Last updated on September 1, 2020

Question:

At what stage of puberty do guys begin to produce semen and sperm?

Answer:

About half of all guys begin having ejaculations before their growth spurt in stage 3. It is common for it to start as early as during stage 2. The rest of all guys begin having ejaculations after their growth spurt or into stage 4.