Sorry if TMI

Kristina
So a little history first - I have a healthy 2 1/2 yr old daughter. I miscarried at 10 weeks on October 27th this last year. I am now 8w2d pregnant and I want to make my husband happy and have fun together if you know what I mean ;). I am just so scared I will have sex/orgasm even and it will make me miscarry or something will go wrong.  Suggestions/advice?