That your underwear would start rolling down over the bump by lunchtime.

That it would ride up at the back at the same time.

That sizing up would just make it baggier, not better.

That you'd wake up at 3am to move a waistband off your belly because it hurt.

That there'd be leaks and discharge, and that nobody would mention it beforehand.

That the only thing anyone recommends looks like something your nan would wear.

You find all of this out on your own. So we made the pair we wished someone had handed us at week twenty.