I had the same type of spotting at pretty much the same time.. On two or three occasions. I was extra freaked out as I had quite severe bleeding right throughout my second pregnancy. I called the midwives and they said that it is all within normal boundaries. If the bleeding gets heavier or is bright red then I would get myself to the hosp quick sticks.. otherwise just keep an eye on it. However, after saying that you know your body and how you are feeling. If it would put you ease by going to get it checked then definitely do so.. no need to stress your self out unneccessarily. Keep us posted...