Excited about the new baby and not excited about the stress I deal with at work!

Hello, Just found out yesterday I am going to be having a baby, this is great news I have been trying for about a year!!!!  I have a lil girl she is 3 and she is so excited as well.  I just pray that work goes smooth and I do not have the stress like I did last year ( thats prob why it took a year to get prego) !!!  Any advise or tips highly appriciated????  Thanks