Trump isn’t your problem. The problem pro-abortion folks have is that they’re tied to the Democratic Party and the Democratic Party is in a state of collapse in most jurisdictions in America. That means Republican state legislatures are beavering away finding ways to evade or challenge legal abortion.
If you want to protect legal abortion, either the dems have to pull themselves together and win some elections or the choice folks have to develop a presence in the Republican Party.
The most Trump can do is appoint some SCOTUS judges who will turn the issue back to the states.