birth control pills question?!

So I'm taking birth control pills for the first time this month and I finished my 21 active pills, but I have not got my period. Is this normal? Is there a chance I'm pregnant? Do I wait for my period to come to start a new pack? 

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