Missed period, negative test

Danielle • My name is Dannii and Im engaged to the love of my life, Alexander :) ❤️ TTC baby #1
So im a day late and ive been having a lot of cramping, white discharge and constipation this cycle. Im still getting white discharge. My boobs Are only tender to touch but still. Ive taken 3 tests, one yesterday and two today being as im late. All negative. Could i still be in? I am always regular so this is strange, but dont wanna get my hopes up as this is cycle 4 ttc :(