Tmi Beware

Valeria
I've been having very light pink spotting nothing red or bright but I only get this in the afternoon only when I whipe and small spots on. A pad how ever a.f was due on the 8th I have no pms symptom I do have sensitivity gums and teeth nauseous on and off if if I was pregnant I would be 6 weeks some one please help what can I be ? This what I've been having ?