help...

destiny
My last period was May 10th, my partner and I don't use protection. During my obvulation window we had sex about 3 days prior (23rd)  and the day of ovulation (26th). My period is supposed to be coming on the 10th of June but I began spotting small amounts of blood on the 1st.it comes and goes and is faint, it's not there when I wipe but it's present on my panty liner. today is day 3 of spotting. could it be implantation taking place or am I being too hopeful?