It depends on the location. In my state, the 18 year old could be charged with sex with a minor.
Yes.
In some states, this would qualify as statutory rape. In other states, this may not be a legal issue. Check your state's statutes for age of consent laws.
However old it is when it gets pregnant.
Bella gets married and is pregnant at age 18.
Your mom gets pregnant
No you can not get pregnant.
No not everyone gets pregnant.
Katrina was pregnant in Eragon.
horses never get pregnant, its the mare who gets pregnant.
no you cant a sperm is what gets you pregnant
Spencer Hastings does get pregnant. She gets pregnant with Tobys baby
If the person is convicted the range of punishments is very similar to an adult. Some may be limited to juvenile punishments and end at 18. Others may be adult sentences.