Just took pregnancy test and it was positive

Mikki
Just took pregnancy test and it was positive. I miscarried at 3 months 2 and a half years ago and it was very traumatizing for me and my then boyfriend, now husband. I am scared of getting my hopes up and even more scared of getting his hopes up. We've been trying for over a year now. I'm thinking about not telling him until the risk of miscarriage is lessened. Is that horrible of me? I just don't want to have to go through that again. Unfortunately that fear is stronger than my excitement right now.