Nervous

So I found out I was pregnant 2 weeks ago I am 8 weeks as of yesterday my job requires me to lift 20-40 pounds daily and ik constantly moving,bending and going up stairs for 8-10 hours I was doing this before I got pregnant do you think these tasks are to dangerous or do yall think I'll be fine and if so when do you think I should bring it to my supervisors and doctors attention that the work could be a risk to me and my unborn child