Chart "experts" please help?

So my temp has been steadily rising since fertile window. For once, I didn't use OPKs this month. +OPK Cd16 last month. Yesterday (cd26) had tonnes of EWCM 1st time this month! Temp went down 0.2C yesterday, but up again 0.4C today! AF due in 2 days, usually my temp drops sharply 2 days before AF. I also ALWAYS spot for 4-5 days befor AF. No spotting whatsoever. Please vote?

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