Both are guilty of violation of sexual contact with someone under the age of consent. They could be charged with the crimes as defined by their jurisdiction. The 15 year old is going to be a daddy and will have to pay (or his parents pay) child support. They are not going to be able to get married, they are too young.
yes
Yea
if someone finds out, you can be arrested and charged with statutory rape.
No.
Yes this happens all the time. At 15 he should be in puberty and can very well be fertile and so can she.
Yes, since both of you have started puberty. Kids can get pregnant younger than that. Dont do it!
Yes.
yes unfortunately
yes
Weirdo
Girls can become pregnant after receiving their period
It is possible but bad for everyone including the parents and the baby.