Pregnancy and prometrium

I want to get some people’s opinions. This month I think my DH and I have finally gotten the deed done. But of course I am still waiting to be able to take a HPT. I am on “3dpo” from my ovulation tracker but I’m 11 days from my first positive OPK (I’ve had 8 positive OPK’s in a row) and its day 33 on my cycle. Now, I can’t really say how regular I am because I have PCOS and I am normally on Clomid plus this is my third cycle since my m/c back in July and the first time for my DH and I to ttc. So I was thinking about taking my Prometrium. I’m thinking of doing this because; I believe I’ve m/c because of my progesterone levels were very low in the beginning and I was put on to Prometrium but I think I started it too late. And if I’m not pregnant then it will induce my period and I can start my first round of Clomid again. Does this sound feasible?