what is happening?! never had this before

Lindsey • 20, married, and TTC for 1 year
So I JUST posted about how I'm 8dpo and got a BFN. Yesterday I had some stretchy ewcm when I woke up. Today, I didn't notice any until after I posted that...I wiped and I swear I've never seen anything like that. This is my first month on Metformin. I thought I ovulated on cd17 according to OPKs. I've never ever had ewcm on toilet paper as far as I can remember, I've never had much cm at all. Now I'm freaking out wondering if I'm ovulating literally a week past when I thought I did. Could this be a symptom of pregnancy? Or am I just ovulating at a later time? Like I said I don't even think I've ever had ewcm before. Hence why I'm freaking out. Please help.