i just want to know more about implantation bleeding. unsure if thats what i have at the moment, im not due for a period for another two weeks and ive been spotting some light pink, discharge/blood. i dont know my ovulation dates or anything as such. as i was on depo needle for 4 years and have had my period regularly for quite a few months now.but along with this spotting im getting mild cramps, nausea also heartburn,wondering if pregnancy or not. fingers crosssed