Almost 12 weeks and a nervous wreck!

Viviana
I had a miscarriage last Nov and now we're almost 12 weeks with our rainbow baby. We saw our healthy baby at 10 weeks but now I'm starting to have bad thoughts again. I wish I could see the baby again so that I know we're still okay. Can anyone give me some advice? How do I stop thinking that I'm going to have a missed miscarriage again?