Mucus plug lost at 40+2 weeks. Does it mean anything more when you're already overdue?

I mean, yeah, I've heard and know that if you lost it before your due date that it really means nothing, and that it can be lost as early as the 2nd trimester and just regenerate. But surely to god that losing it at 40+2 weeks means SOME indication of impending labour, right? Or in the very least, cervical change...which is just as welcomed, as my cervix was shut up tight 2 days ago. Lost the plug this morning, see my midwife later this morning. Just looking for something positive to go on until I see her as so far things have been pretty disappointing.