HELP! Ovulation test question!!

B • Mommy of one 💜

I thought I ovulated the other day from my cm but I decided to take a opk two days later on cycle day 11, well I got a positive that day and ever since the line had been fading more and more well my question is, has anyone had sex on their LAST DAY of a positive opk ( no sex before) and still gotten pregnant? I hope this makes sense! Thanks! Pic of my ovulation test when I got my positive