Need advise please

I'm getting period like crumps I'm like 5-6 days late, bu glows says my period starts tommrow as I ovulated late. I took test yesterday and got negative. What should I do, does that mean my period coming 

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