Ovulation Spotting?

Brittany • Chloe Elizabeth 7-30-13. Sophia Grace 10-15-15. Baby #3 09-20-16
So this morning I took an ovulation test, which I'll insert a picture so can see, and it came back postive (I assumed) I also took a pregnancy test, which of course came back negative. Now, I'm spotting very pale pink, and have mild cramps, cramps have lasted for about 4 days though. Is this normal to be spotting?