ovulation with clomid

qt
I'm on my second round of clomid 100mg 5-9.  First round did not make me ovulate. I've been reading on this board that clomid can cause false positive opks if you take it too soon after your pills. I started testing cd 12 and got a positive. But I ignored it because everyone says it could be a false positive. But I'm now on cd 22 and haven't got a positive yet. Is it possible the one on cd 12 was actually a real positive? 
Here's the test from day 12. That smiley face was blinking 

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