Is this possibly the decline of my LH surge?

Tina
I have an irregular cycle. I started testing on cycle day 13 based on the average of my cycles. My peak day was supposed to be today, cycle day 17, but as you see, the test is negative. I had EWCM on cycle days 11 and 12. Is it possible I ovulated on one of those days and this is the decline? Thanks so much in advance.

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