Teen FAQ
For over 10 years, teens have been asking us questions on every topic imaginable. While we are no longer taking new questions, we have a wealth of information we would like to share with teenagers.
Questions about suicide? Call the NATIONAL SUICIDE HOTLINE 1-800-SUICIDE (1-800-784-2433).
Navigate: FAQ Home Page > Puberty > Ejaculate
Posted on: 07/18/2007
Question
how old is a boy when he can ejaculate sperm?
Answer
It depends on when he starts going through puberty, but usually about a year after hair starts to grow under arms and on genitals.