Testing too soon? - advice please!

[Dav87]

Hi everyone!
Hoping for some advice please.
We have been TTC for around 8 months, but only actively tracking ovulation etc for 3-4 months.
I have been diagnosed with PCOS so don’t rely too much on OPKs etc, but have been using them along with other symptoms.
Pretty confident I ovulated last Friday, static smiley on Clear Blue test and also other symptoms. DTD on the same day, and started the TWW!
From Friday (6 DPO) my boobs have been really sore, but understand this might be a PMS symptom and nothing else.
Yesterday I did a First Response test and it was negative, was this too early to tell (8 DPO)? I don’t get regular periods so can’t be sure, but think I’m due on this Wednesday (11 DPO), so would have expected a FR test to show a positive by now?
Driving myself crazy at the moment! :-(
Thanks xx

Way too early!! Even 11dpo can be too early as most common implantation day is 9dpo and can take up to 3 days to show hcg etc

Thank you! Still a bit of hope for this month then! I was so upset yesterday, feels like it’s all-consuming at the moment :-(
When would you suggest I try again? x