Anxiety about telling people?

Has anyone else had anxiety about telling people about their pregnancy? I don't know why I'm so nervous, my main worry is that something will go wrong. I'm almost 15 weeks so technically it should be fine to tell but I find myself wanting to put it off longer.

It doesn't help that my husband has been wanting to tell everyone since the beginning and has told a few people early on after we agreed not to. I think this is causing me more anxiety and I'm wanting to overcompensate by not telling anyone else. I get he's just excited but I wish he would respect my wishes. I haven't told all my friends, family and work yet but he's told a lot of our friends and it makes me physically sick knowing they know. Anyone else experience this and how did you deal with it?