Clearblue Advcd OPK/When to stop testing...⁉️

Kayla • Mama and wife 👪 baby #2 due September 2017 👶🏻
Yesterday I got a circle symbol which meant low fertility and today I got a solid smiley? That means peak, but I had no high/flashing smiley days, should I be concerned? TTC 13 months, 1st month on Clomid 50mg... TIA