Confused !!?

Never had this happen before twinges but AF is due to show her face today slight cramps went to a check and put on a pad instead I have (tmi sorry) ALOT of cm like creamy and very white usually around this time its thick never had so much before what is going on haven't tested yet but I been having symptoms that I have been over looking threw up once early in the am I been smelling a lot of foods and smells cravings a tad bit and increased hunger my breast oh! There on serious pain had sex on a fertile day idk what's going on