CAN SHE REALLY DO THIS?!?!?

Im 17 and in february i moved in with my mom who i just met. One of the very first thngs she told me was that if i got pregnant before i turned 18 she would legit send me to a catholicschool in some state where they take care of you for 9 months and then make you give your babyup for adoption.. is this possible? cause i htink im pregnant. i have a late period...i hae cramps gas ender boobs everything just noblood! oh i live in va so is this possible????