Spotting/implantation bleeding

Ok so my period is due for October 15 I have had light spotting in the mornings(October 6-9) on October (10-12) I've had the same spotting in the mornings but this time I had milky like cervix mucus along with it. This only occurs in the morning. After the first pee, then the whole day there's nothing. Did anyone experience this at early pregnancy or is this my period coming on. 
I've never had this happen before this is the first time.