Implantation bleeding??? No tmi pictures

How many of you had implantation bleeding?? I started spotting today and I am 10DPO. Its way too light to be the beginning of my cycle with waaay too much mucus. And nothing showing up on my panties or a pad just when I wipe. No cramps etc. I have 4 or 5 days until my cycle should start so this is really odd since I am normally really regular. What should I look for to make it more clear as to what it is?