Spotting on progesterone

Had some spotting around 4.5 weeks for two days and doc said normal on progesterone suppositories, it stopped so I wasn’t worried. I’m now 6 weeks and had a little twinge of pink/light red blood again today and trying to ease my mind. I have an appt Friday and ultrasound next Monday I’m just so full of anxiety after a lot of losses, seeing blood just induces anxiety and a trauma response. Anyone else have this and it be okay? I feel fine otherwise just a sore back today from working a little more than usual today. Levels have been good, just nervous