can you're period stop on you're first day ?

Alejandra
Hello I'm new to this but I really need help , I had unprotected sex about 4 days ago and I was supposed to start my period tomorrow but I started a little blending today but I was just like a small drop and I haven't had a any more bleeding can I be pregnant or why did this happen? 

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