Is it ok to test right now?

Kail • I`m 24 and a nursing student. I got married on October 8, 2015. I have PCOS.
My period is due tomorrow, but I'm so anxious to test right now! Is it alright to test the day before my period is due or should I wait? 
This is our first month ttc and I'm just excited. I know it probably won't happen the first month, but still :) 
I haven't had any pms symptoms which kind of worries me since I know some early pregnancy signs are the same as pms.