So the 27th of this month i got my very first positive opk. I baby danced later that day. The next day on the 28th I did another opk just for the heck of it and it came back negative which i know is normal. Well I decided to take another opk test on the 29th- today because I know lh levels will fluctuate and ever since the 29th my opk have been coming back positive. I am currently 4dpo today. Why could this be happening?