I have a subchorionic hemorrhage and I’m just curious what’s normal and what’s worth panicking over.

After my first US on 10/30 (baby looked great, perfect heart rate) I started spotting that night. I had a random gush of blood (dark red) and it just turned into brown spotting after that. I called the Dr the next morning and she said not to worry unless I’m filling up a pad every hour then to go to ER. That day I worked and had some nasty brown discharge that tapered off by the end of the night (pic below) and had very light spotting for 2 days. Yesterday I spent most of the day in bed trying to relax as I heard that’s supposed to help and the spotting went away. I worked today for 8 hours(on my feet all day) and now the spotting is back and is back to the dark color it was before (pic #2 below). I have some slight back pain/cramping but nothing serious I can just feel every pinch within my body so I just wanted to make sure the backache/cramping can be normal and also the blood varying in colors. How long did it last for you and what did you do to help it? I’ve had 2 miscarriages in the last year and finally figured out the cause so I would be devastated if it happened again for a different reason, being that I’m on all new meds. Thanks for your experiences.