Opk clearblue?

Katy • 2 miscarriages (1 d&c). 2 chemicals. 2 ER. 1 FET❌ (5DAA) 2 FET (AB)✅ EDD: 10/5/21 🌈👶

My opk clearblue showed a smiley but when I took the test out the test line was definitely lighter then the control. Could the smiley be wrong? Should I still count this as my surge?