A little bit of all of it. Obviously some of what you eat will still be going to run your body but a fair portion will go to developing the baby. That's why pregnant women are hungry!
you can walk around to keep fit but dont be to active
\you stay calm drink lots of water and do not eat spicy foods like chilly and do not do to much running save that for after you had your baby.
Drink & smoke over exercise
Abortion is the only option. (but that option is only open for a certain amount of time, you cant do it once your too far along)