Still no AF

Dana ☀️ • 32. Married 7.12.13 • Mommy to Elliott 👧🏼 3.5.16. Due with baby girl #2 12.12.18
Ahhhhh! I am going on 2 weeks late for AF. I have had sore breasts and been extremely fatigued for the last 3 weeks. Yet I'm still getting BFN. This is so frustrating! 
This is my test from this am. Any tweaking would help!