Ovulation Strips question!!! Help!

Short story short: we're trying to conceive 
I went off the pill mid pack last Monday
Had unprotected sex that whole week (not Friday) due to what I believe is withdrawal bleeding but again last night. And I have period like cramps. So confused to as what the bleeding actually is. 
But when I take ovulation test results, they show up nearly positive for the past 3 days and I read over and over that there is nearly no LH in your system during a period. 
Does this mean it could be I can possibly be pregnant this time??

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