Anywhere between 11 years and 15 years.
Usually twelve or thirteen years of age.
Once you start producing sperm, you can be a dad. Males usually start producing sperm in their teenager years.
You will continue to produce sperm your whole life you usually start producing sperm when you hit puberty and beyond.
No, their body isn't mature enough. Guys usually don't produce sperm until puberty. 10-17
No, old men do not have worms in their sperm. Sperm will be healthy even when a person is not.
Better if you don't. In any case, a girl nine years old can usually not get pregnant.
In the United States reproduction clinics and agencies require that sperm donors be of legal age and less than 40 years old. "Legal age" can vary from state to state, usually either 18 or 21.
There is a lot of variation in the ages at which boys can first produce sperm but on average around 12 to 14 is pretty common. Of course some boys can produce sperm earlier than this and some won't produce sperm until their late teens.
Ejaculating a lot of sperm has no effect on your age.
A sperm whale's attitude is usually nice except when they attack.
I'd say old. Male sperm swims faster but also dies faster, so there was a good chance it was waiting for the egg.
yes