Hcg levels

Lou

I’ve just had a miscarriage over the weekend sono said baby stopped developing at 5 weeks I was ment to me 7 but he couldn’t really see much on scan , I’ve had bloods done Monday and also will get them done tommro , would my levels of been dropping over the weeks ? Then even tho I had really strong symptoms and blazing positives right up untill fri as kept testing as was scared of miscarriage as had one 8 months ago I feel so confused can someone help 😪