Irrespective of the nationality of the mother or father, if the child is born in US soil, he/she will be automatically be a US Citizen
Nothing bad happens.
they would die
the student gets expaled or even suspended
it gets pregnant and delivers mutant offspring.
It feels really good and there is a chance she gets pregnant.
they have a baby to a dirty old man...
If you're ovulating when that happens, you're going to get pregnant. If you're not there's a MUCH smaller chance of you getting pregnant. Almost 0%.
She gets wet.
The baby rips through the mothers belly
Not legally.
This is risky for her health. And somebody has to go to jail.
Usually the same thing as if she wasn't pregnant.