OK I didn't get my period this month.. All I got very light spotting like pink and brown it's on an off and doesn't hurt.. my usual period last 8 days and is very heavy so this is totally different.. I assumed it was implantation bleeding so I took a hpt and I got a very faint + but this spotting still comes and goes, so I was wondering how long implantation bleeding last and if u think I'm pregnant..