Do any of you ladies have any tips on pushing through for the last two weeks at work ?

I’ve been hit with a horrible set of nausea , dizziness and some pretty bad back and hip pains (enough for my doctor to write me a note since August insisting i need to work from home ) but my supervisor denied it saying it would cause “hardship on the company “ .

I also have a pretty long commute and a bunch of stairs I go up and down a day (about 12 flights by 11am alone !! )

Anyway , my supervisor has no kids & actually hates children / pregnancy / happiness, she’s really just all around miserable and horrific more so now I’m pregnant . So she’s been giving me a HARD time . If I even walk in a few mins late she would ignore me for the entirety of the day or make comments under her breath about people being useless . I don’t want to cause any issues so I’m pushing through but I’m honestly suffering . Some days I wake up crying because I’m in so much pain .

Any tips on helping back pain / working in strenuous jobs coming down to the end ??