Lightly bleeding.

nini

My period was due on 6th but during that time I only had a really light bleeding (like a spot to be precise) along with like a raw egg white that last for 2 days and whenever I wipe my private area with tissue it always have brownish/pinkish stain, I'm kind of wondering maybe it's implantation bleeding since I had unprotected sex 4 days after my period last month. Any thoughts?