Let's be clear on what that implies: it means all women travelling Interstate would have to prove at a state border that they're not pregnant. Which means proving with what?
Some form of proof you have an IUD or contraceptive? They're planning on banning that too.
Some kind of medical document, emitted less than x days ago by a doctor?
And since that would be insanely difficult to obtain, it essentially means women would be banned from interstate travel.
Welcome to Gilead, blessed be the fucking fruit.
Well it makes sense if you think of it as a guide of "places worth driving to "