Low progesterone?

I have been spotting throughout my cycle which is starting to really annoy me now. It’s been since my first chemical pregnancy back in May. I also had another chemical in June too (potentially another one last month 😞)

It’s like I spot a week before my period is due and then come on properly. I also spot mid cycle too around ovulation.

I asked my GP to check my progesterone and she basically said it won’t tell her anything! She did it reluctantly on the day I started my period and it was 2.5, she said it’s hard to say what’s normal.

Do I have a shit GP? 😂

Any help would be massively appreciated xx