Help pls no rude comments I've had enough from him😢

Ok so im here asking for help.

I been going thru alot im not here to get judge i cheated on my fiance the guy i did it with used condom but then when he was done he will put his sperm on my vagina i was having sex with my fiance to when i will get home from work my fiance likes it raw no comdom he will sometimes finish inside me now my fiance and i are trying to work things out but i haven't gotten my period and my breast are killing me already for 4days super sensitive i actually have discharge coming from my breast could i be pregnant i do have weird cravings i took pregnancy test n its negative could it be 2 early pls help idk what to do 😣