Pleeeaseere help tmi opk

Cassie • Momma of Two Graci 5-7-15 Graeson 9-7-16! Angel Momma of Two Nov 2015 and Twin B Jan 19 2016!
​im pretty sure i ovulated today the thrid one down is the darkest but still doesnt look pos i was crampy and had very slippery cm today but it was whiteish should i keep testing cuz yesterday  the lines have been getting lighter is tht normal should i keep testing