Wow, sorry to hear about the loss.
Our first pregnancy ended in miscarriage.....totally unexpected, no way did we think that would happen. Then when my wife got pregnant again we thought, well, we had the miscarriage, that's behind us....and it happened again. *Then* when she got pregnant again, we were afraid to tell anyone, and tried to pretend that nothing was happening.
That was 16 years ago:
All in all we had 5 miscarriages. Always a tough thing to go through, and something that seems totally out of the realm of possibility when expecting a first child, but a totally natural and common thing (I bet you've had a bunch of people share their stories since hearing this).
Hang in there.