Excruciating stomach pain, not sure what symptoms show

Patient: Hi i’ve been getting lower abdominal pain for some time now but the other day was the worst it has ever been, i went to the doctors and i got an ultra sound but it didn’t show anything however my urine test did say it could be a urinary infectionI’ve also been feeling very sick

Symptoms: Lower abdominal pain
pain during intercourse
upper stomach pain