The worst feeling in the world to lose something so precious

I just don't understand it's so heartbreaking me and my husband worked so hard to conceive for 10 months with the help of Clomid. And we conceived on Mother's Day just to find out the day after Father's Day that on our u/s no baby. The worst news I could of ever gotten. And 5 days later started spotting and early this morning went through the worst pain ever and had to go to emergency room  and miscarried. All I feel is anger and upset and why this happened. I would of been 9 weeks and now it's gone just like that.