Implantation? Miscarrying?

May

I went to the hospital because I had some discharge mixed with bright pink blood. My app says I’m 8w2d another says I’m 7w but the ultrasound said I was 5w5d so I calculated from when I ovulated rather than my last period and 5w5d does sound more accurate anyway, these pictures are what I’m seeing and I’m concerned. This is my 4th pregnancy. I’ve never experienced any implantation bleeding before. I have no pain. I just used the bathroom now and there’s more blood.