Having no pms symptoms can I be pregnant

We are ttc from 3 months..

My Af is due on 15th dec.. every time Before 2 weeks my period my breast hurts like hell.. This month it don’t hurt at all and it’s strange..

From past 3 days I wake up middle of the night.. am having acne(sometimes I have in my period) and am having slight cramps..

Can I be pregnant.. did anyone face the same before getting pregnant..f