I don't know what this means please help me!

yaya
I've been spotting I guess you can say for about two days now I had sex on July 23 I'm on birth control its lo lestrin fe but the spotting was dark the next day then it became lighter. Does anyone know what this means (I did have unprotected sex) 

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