Brown discharge in place of AF

Aryn
I was suppose to get AF on 7/8 but she hasn't come. However, starting on 7/8 I've had discharge with a tint of brown in the mornings and than it goes away for the rest of the day. What could this be? 
So far all my hpt have been negative 

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors