Miscarriage?

Sarah

This is my 6th pregnancy. I have 2 babies and have had 3 miscarriages. Im havin light cramps on the left side and iv had pink spotting then brown spotting and red spotting but its only every few days and only when I wipe. I'm just wondering if this is normal or am I headed for another miscarriage because it's not the same as the other pregnancies iv lost x