I'm so sorry. I've been down this road a few times and it's so hard.
Just wanted to echo a PP and say allow yourself to feel how you feel. My friend lost a baby at 12 weeks and just decided to push herself harder at work to distract herself.
Me? I lost a baby at 6 weeks and I spent the next month on the couch with mind-numbing TV in the background so I didn't feel so lonely. Some would say losing a 6 week old is nothing. They're barely a speck at that age. But it was everything to me. I was already planning that baby's future. I knew how we would decorate the room. I thought about ante-natal classes and names and tiny baby clothes.
In short, I planned my future with that little one. So to some, losing a baby so early on wouldn't even "count". But I grieved long and hard over that one.
Then after a month of being curled up on the couch with the curtains closed, something magical happened. I suddenly thought of something that actually sounded fun. So I booked a cruise for my husband and I, and three weeks later we were exploring the Mediterranean. It was incredible. And funnily enough, we conceived our rainbow on that cruise... ;)
Just wanted to say you are part of an extremely supportive, personal, heart-wrenchingly beautiful club now. I would never wish a miscarriage on someone, but some of the most meaningful experiences of my life came as a result.
Sending love and hugs your way.