BBT and lots of mucus

Jene • 28 year old New England bred, Mommy to a 5 y/o 👸 & 1 year old 🤴 pregnant w/ #3 👣💕 Due March 1, 2020

My BBT went from 98.8 yesterday to 99.6 today. still no AF was due yesterday Jan 15th. lots of CM what do you guys think? Im to nervous to take a test & get a negative