post partum blood clot dangerous?

im 5 days postpartum

since the hospital, my bleeding hasn’t been a lot, just a tiny bit every single day.

today I left the house for the first time for baby’s first doctor appointment and so I walked more than i’ve ever done since giving birth

and I felt the clot come out at the doctors so when I got home I saw the sizable clot

it was about 1.5 inches

is that normal?