It is no doubt scary and painful in the short term, but thank goodness this T has finally realised she can't adequately respond to your ED! Now, you can get effective help and move ahead with your future.
This simply is no time to be worrying about IVF eligibility. Your body is not prepared to sustain a pregnancy, and clearly you need to be in recovery from the psychological issues underlying the ED before bringing a child into the world. It's not just about you if you choose to become pregnant.
I know my words sound harsh; my intentions and feelings are not harsh

, but the reality of your situation
is harsh.