In 46 days having no period yet?

As

I has last time when I was started my period on 12/30 New Years <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a>, til January 3rd came to the end my period. While I'm having sex with him in mid January. I don't know what's going on here today. Am I pregnant or not pregnant?