Need advice

Ashley • Mommy of 5 beautiful children. Kaylee-7, Caleb-5, Corissa-4, Kenzie-Ann-17 months and Gabriella 15 weeks
I am 3 days before AF. Today I had cramping and I never cram when she shows up. I also have very sore boobs/nipples and my hubby said they are bigger. But all te test I take are negtive I just don't know what to think. Any advice please and thank you.