early sign of pregnancy

Michelle 💙 • Happily married 💑 GKB 6/5/19 💙 #2 due 1/15/22 💜🤱🏻Registered Nurse 👩🏻‍⚕️
Anyone else have a horrible post nasal drip and congestion of the nose as a super early pregnancy sign? I'm 6-8 DPO and I either have a cold or I'm wondering if I could be pregnant?