If a 17 year old get prego by her 20 year old boyfriend......?

if a 17 year old gets prego by her 20 year old boyfriend and she still liven wit her mom goin to school can her mom make her adot the baby out or get an abortion without her consent......both boy and girl are not at the right age in there mind by the way they have mental problems sumwhat......i needa kno for a friend