Implantation Bleeding?

Hey. Been Ttc for a while now. Period was suppose to come June10 , it’s now June 23 No auntie Pearl. Soooooo Anyways, 2 days ago I was at work and went in the bathroom to pee when I wiped there is Light pink discharge so hey I was just thinking my period came a lil late this month but anywho I came home later that day and used the restroom nothing. Pink discharge gone. Yesterday the same thing happens. Now today it’s happening again. Not red, very pink and thick. Any Comments? Is this Implantation? When do I need to take a test?