TMI Help?

I got spotting around my 7th day after ovulation looking like this 
Then the next day it looked like this 
Then I spotted a small amount through out the day and then it stopped. Could it be implantation bleeding? my period isn't due til Monday 1/11 and I know it's not from having sex and something poping cause I haven't had sex in over a week but we did have sex on my most fertile day. Sorry for the tmi just need someone's help.