So my period is due tomorrow.but yesterday and today ive been getting this tingling sensation in my nipples.today i threw up but it was after giving my so oral.but it was random.maybe that was a coincidence but idk.my nipps are normally sore sometimes but this tingling is new.and it just comes and go thru out the day. Does this mean preg or pms symptom?? Havent test yet scared it might be too early