Did you ever get a positive opk and then bfp?

Jeralee • Married to the love of my life for 3 years. Ttc since March 2015. Hoping our BFP comes soon!! IVF #1- BFN
I took a hpt this morning and it was bfn, then I randomly took an opk this afternoon and got a bfp. So confused I should start my AF 4/13...
Here is the opk

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