hi im new to this this... I'm worried about being pregnant or not being... I usually have a period the first or last day of each month well Feb it was late the 15 then March no show I thought I was pregnant all test came back negative.. then on 12april I got period big dissipointment but okay then on the 28th I started light very light bleeding first light redish then turned darker but only when i wipe its visiable i read up about it sounds like implantation bleeding but test are all still negative.... what do you guys think please help with any advice would be appreciated