I know this is for toddlers but it might help ease your mind:
https://www.autismspeaks.org/about-u...speaks-website
They also have an 1 800 number you could reach out to , unfortunately nothing is more scary then thevfear of someone manipulating you and leveraging your most basic fear of "am I all right " its really cruel to do .

And the one thing I did not mention in my previous post if you are really against this and can figure out how to survive somrplsce else be it a shelter or program to help abused women start over you could take your mom to court and become emancipated meaning your not of age yet but the court declares you a free adult capable of your own decisions .
Thinking of you !