OPK test question

Hannah

I’ve been using clear blue advanced for opk but I previously was using modern fertility opk. I’ve had a low fertility reading on my clear blue opk since early April when I started testing, and high fertility reading on my clear blue opk for the past 4 mornings including this morning at 8am. I took a MF opk a little bit ago and it said it was a low fertility.

Which one should I go off of?

I have longer cycles.