Implantation question ?? No pic

Symone
Help I bD last night and after  I had horrible AF pains @ 7dpo and now at 8dpo my sore bBs went away and now I jus have sore nips I Od cycle day 17  and I had sore bB since cd21 right now I'm on cd 26 AF due  feb 3 ..has this happens to any1 else  and it ended up being AF or a BP??