I'm a week late which I'm never. I had a bit of bleeding over a week ago but it was a brownish colour and only for a day then nothing,I've been getting white discharge and having cramps as if I'm about to start my period but nothing I took I pregnancy test but it was negative could it be wrong?I have no other symptoms really apart from headaches and nipples are always erect and little bumbs round them which I read can be sign. Someone please help.