Hi I don't know if I am writing this in the right spot so I apologize if I am not. I have thought I am pregnant for theast week n a half. Swollen breasts blue veins dark areolas cramping dizzy gums bleeding and today I started to bleed. Last night I experienced a pinching sensation on my left side three times lasting 5-10 seconds each. First it was light pink then brown now bright red. I put in a tampon thinking it was my period. When I pulled it out there was red and a lot of brown. Is this possibly implantation bleeding and should I stop using tampons? Mild crampind still not as bad as usual period by far.