The fear of a miscarriage

Currently I am 4 weeks 4 days pregnant. After having a miscarriage back in April I really have no idea how to feel. I am excited one minute nervous the next and anxious all together. I want to take a test every time I go to the bathroom which is crazy, I know. My husband was really excited the last time we were pregnant but took it really hard when we miscarried. Now it’s almost as though he doesn’t want to believe I’m pregnant at least until it is confirmed by a doctor or we are far enough along. This will be our first child and I want him to enjoy the journey. What do you guys do to reduce the fear and anxiety of a possibly miscarriage? When did you guys first go to the doctors to confirm pregnancy or to talk to a doctor?