Oh as early as 5am some days.
Sperm :) xD
Once you start producing sperm, you can be a dad. Males usually start producing sperm in their teenager years.
when you hit puberty... at first it wont have sperm in it but it would just be seminal fluid. Afterwards your body will start to produce sperm cells.
When they are pregnant it is in the egg. When someone is a lesbian they do not start making sperm, they are still a woman.
sperm
By the fertilisation of the ovum by sperm
it depends on when you have started puberty, for most people it is at 11-14 but some people do start prodcucing sperm at about 15/16
a male cant get sperm but can make it by masturbating, males can usually produce sperm when they first get pubic hair.
Around your mid 12. During Puberty a boy will start to produce sperm.
You will continue to produce sperm your whole life you usually start producing sperm when you hit puberty and beyond.
A sperm reaches an egg in the fallopian tube.
Sperm and ovum.