Hi! I Am Currently 16 Weeks Pregnant And Had The

Hi! I am currently 16 weeks pregnant and had the externals on my house sprayed for spiders on Wednesday. I stayed out of the house and away for at least 3 hours before returning home. I have been told by the operator that it will be fine to use the spray and also by another doctor but still concerned. I have read that it should be ok as well I feel toubarw out of the first trimester. This is my first baby so Am concerned. Can you please help me. I keep worrying.