5dpo water egg white cm help

Hi ladies I'm a 34 year old woman who has been trying to get pregnant for the last almost 8 yrs. I got pregnant in 2009 and mc at 9weeks got pregnant again in 2010 which idk if it was a chemical pregnancy or I mc. Me and my fiance has been trying since then and haven't caught a break. Today I'm 5dpo I have been having sore nipples off and on today nausea real bad along with a bad heahache for 2 days and today my cervix is soft but closed and sitting high and I have had a little bit of creamy white cm can anyone tell me what in the world is going on please and thank you