they cant run away but if you lock them in an empty room with no doors the child service people will come and take them away (BEWARE IF YOU DO THIS ALL OTHER KIDS ARE TAKEN ASWELL) or you could change them into an adult then move house and leave them behind
Yes
No.
Do you mean are kids allowed to play Sims 3? Well that is up to you but it is rated M for Moderate sexual references. OR Do you mean can a child have a baby or a teenager can have a baby in the sims 3? You cannot have a baby if you are a child or a teenager.
no, only young adults +
I don't think you can. :(
Yes your sim can as well as your teenager.
Yes they can. But only if the parent is not being responsible.
No teenager on Sims can be PREGNANT. unless you have a cheat, but they cant!
reset it
well you cant cause the teen is too little
No because they can't have any relationship until they are a teenager.
You can't.