ovulation test

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So I have these from before I was pregnant (my daughter is 3 months). So based off this, it says test is negative? I still see a line there, so does that mean I was ovulating yesterday? 
My husband never cums in me without prior consent, like we're trying or I'm pregnant. So he randomly did without warning. So I'm just trying to figure out the chance. I would cry, they'd have like the same birthday. 😳
I don't know much about ovulation test so if somebody does please give me some info