Hot flashes and cm

I'm 7 or 8dpo and I'm having hot flashes and yellow snot like cm I'm worried bc these hot flashes are very weird bc I'm always cold! And I was sitting there and felt heat on my face to my neck to my chest I felt red (just as if I was embarrassed) i had this like 3 times today at diffrent times it only last a few seconds it was very odd and I've never felt it before ugh I'm hoping this is my month I'm just ranting I don't expect people to comment but if u want..lol could u tell me if this is a sign of pregnancy