I had cramps, sore boobs & bloating before I thought my AF was coming.
Then I had light spotting for 3 days but turned out to be implantation bleeding.
I still get cramps & have very sore boobs still.
AF symptoms & Preggo symptoms are basically identical. I didn't pick up that I was peeing alot more & doing stupid things though so sometimes they're good hints that you could be pregnant.