Implantation bleeding?

I had sex on march 24th, 25th & 26th. My period lasted march 17th-23rd. I'm on day two of having pink ish blood come out. Definetly doesn't fill panty liner, but only notice when I wipe. Opinions? I'm not sure when I ovulate either.. also I have never experienced ovulation bleeding. Last time anything happened like this after my period, I was pregnant with my daughter.. someone in my group told me that there's no way I ovulated right after my period. Idk