HELP LADIES! 20 DPO BFN for days!

[Fairydust10]

Hi
I am 9 days late on my period, no sign of AF just a few cramps and sharp shooting pain in left side here and there.
I’ve been charting my BBT and used OPKs to confirm ovulation that was confirmed on 7/10 and then got another LH peak on 21/10 when i was 4 days late.
my temps have been alot lower than my normal temps in previous months too.
all tests BFN and im going crazy as I’ve been ttc for over a year and a miscarriage this time last year.
any help would be appreciated.
i will try attaching my bbt chart of possible.

What were your temps before ovulation? Temps usually dip just before ovulation & then jump up & stay up if you are pregnant or they will dip back down if you aren’t just before AF

Hey JulyT
iv added a picture of pre O temps. now sure exactly when I ovulated now as the 2 surges have confused me!
its an awfully long cycle which isn’t usual for me either.
Also, to add..i had a terrible flu during O therefore the temps are missing as my temps were 38.2 - 38.9.

They do seem to be rising again which is also confusing!!!