Help!

I had protected sex with a condom on day 20 of my cycle, which is the day I assumed I ovulated as I noticed egg white CM although eve predicted it to be day 17. Period was predicted to arrive on day 30, but it's day 33 now and I'm still not seeing any period. I feel a little bloated (not as much as the past few days), and I'm experiencing cramps since day 31 now. No spotting, with a little sore boobs. My cervix is low, firm and open. I felt really easily irritated and short tempered these few days. CM is sticky/ a little creamy in light amounts. I'm really worried and stressing because I'm not ready to be a mother if I am really pregnant.