Hopefully you had sex with your husband on, or about the time that you conceived. Tell your husband the happy news that he is about to be a father. He will raise the child as his own. And for goodness sake be more careful next time.
It depends on how her husband reacts, what the woman wants to do, and other factors. Each sitution is unique, but she could stay with her husband, leave her husband for the other man, or something else.
they would die
Nothing bad happens.
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...
No, she technically hasn't broken any laws by deceiving her husband.
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
They are both hypocrites for cheating in the first place. They should obviously not be together.
No, you cannot sue him.