Positive possible????😩

Lori • Rainbow babyy is on the way👶🏻😍🌈

I don’t understand, on the CD15 it was positive? normally I have a cycle of 29 to 31 days .. yesterday I thought I was at 14dpo, HTP negative. I have decided taken on an opk yesterday 9:00pm and today with fmu and it is positive .. so is it possible??? 😓

What’s going on ?????