am i?

so I had sex on the 8th I,haven't tested I,have been gaging every morning but never threw up my stomach is in,so much pain I have headache and feel dizzy sometimes I feel like throwing up almost every day and some foods I look at make me wanna throw up,but I also,have UTI but my mom,don't wanna take me to the doctor also my partner has just left me couple days ago should I tell him ?