Implantation confusion!!!

Marissa

My period is due the 12th, I had light pink/ brownish spotting on the 5th, very light and then went away on the the night of the 6th. I’ve been cramping, mainly on left side, back pain, huge appetite all day, I think my nipples are darker as well, and I’ve had a slight headache. I took a test today, it was negative, could I have tested to early, or it’s just unlikely I’m prego? PLEASE HELP ❤️❤️❤️❤️