What do y’all think?

So I’m supposed to get my period on Wednesday (8/22). I’ve had headaches on and off, dizziness, light cramping on and off, nausea, and white discharge for about a week now. Today I started to experience a weird feeling in my boobs and I have a light brown color on my underwear but does not appear when I wipe. Does all of these sound like possibly pregnancy or is this normal for 2 days before period? I’ve been off oral b.c. for 3 months now and haven’t had these symptoms with my past 2 periods. So opinions?? 🧐