Sciatica

Anyone experience sciatica in pregnancy? I didn’t with my first but currently 29 weeks with my 2nd & a few weeks ago started having mild tailbone pain. I figured it was just pressure & my slee positions. But now I can tell it’s more in my spine/butt cheek it’s so hard to describe, but it has gotten gradually worse. But I cannot deal with this for 10 more weeks lol My OB said to monitor it & get a belly band but anyone go through this?? Any suggestions!!??