Sick with worry

So i had a mc in september, got pregnant straight away. I am now 6w3d, which is some relief as i mc at 6w2d last time. We went for a scan at 6w and everything was perfect.

But now im starting to worry. I see stories of people miscarrying at 10, 11 or 12 weeks, or even further along.

Will this panic ever stop? I cant concentrate on work or anything :(