some one please help

So today is suppose to be day 2 of my period I was due yesterday I missed and it has yet to come today I'm cramping and usually when I cramp I go straight to the bath room and blood comes down but nothing at all has come can some one give me advice and guidance? What do i do 

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