Should I wait to tell?

I need some advice. Due to the pandemic my job is sending high risk people home to prevent exposure. Pregnant and breastfeeding ladies are being considered high risk. I just found out I am pregnant (currently 4 +5 weeks). My first appt isn’t until the 17th but it will be a phone appointment. Should I tell my job now? Should I wait for my first appt? Even though it will be through the phone? I just don’t know what to do.