Pleas help

Rto

So I posted earlier about my clear blue still being 2-3 weeks it will be a week tomorrow from I took the previous one witch was also 2-3 weeks ... I took a test agin and it’s faint aswell is this another miscarriage I have my first scan on Sunday iv had two previous losses ... the strip tests to differ some give me dark some give me faint but just with the clear blue today has me so scared 😩