For this to occur, the boy would need to be able to produce sperm and the girl be able to produce eggs. Many 12 year old boys cannot yet have an erection, let alone produce sperm, so it is unlikely.
12-year-old children should not be having sexual intercourse, and it is illegal for under age sex. If the two involved have reached puberty, though it could happen, it would not be right for it to happen.
Yes, a 12 year old may be able to be pregnant.
if a 3 year old can then so can a 12 year old
yes a 12 year old can get a women pregnat
yes
yes
Yes. That is possible.
Yes, I don't think you want to be a 12 year old mom!
The answer is no. Swallowing semen can not get you pregnant.
No.
If a 12 year old has gone through puberty, he could get any girl pregnant. He can get his sister or any other girl pregnant.
If his balls have dropped
It depends on if the 12 year old girl is fertile, And if the boy can ejaculate sources: I'm a teenager.