Sign of period?

So i came home from school and saw this on my pants when i went to pee.

My period is a week late, but i took a pregnancy test and it came back negative. What could this discharge be?

The reason my period is late is because i took an emergency pill 3 weeks ago

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