Suggestions?!

Me and my husband are moving into our own place this up coming week and I'm 30 weeks pregnant and the house we are moving into is really old. It had that really old smell . Like a funky smell I have several family and friends that are coming help to clean it. Tomorrow one of my friends are going to bleach down things and clean the walls I know I can't be around bleach being pregnant so I'm just going to be sitting outside the porch while she does it but we aren't actually moving in till Saturday and they are going to finish cleaning the house Thursday but was just wondering if living in a really old house will make me sick or affect my baby in any kind of ways prey I'm a worry wart and will the bleach smell air out by Thursday?! Help?!!