Implantation or AF ?

It's been 6 days and still no af . This morning when I wiped I noticed it was some pink in my discharge not a lot but enough to notice and now it's more pink when I wipe . I don't think it's my period b.c the bleeding isn't heavy and my cramping is about a 4 . Usually when I start I bleed and cramp like crazy along with craving chocolate but the smell of chocolate now make me sick 😔