no other significant differences were found between groups regarding age , exposure to a sexual partner with non-gonococcal urethritis , history of trichomoniasis , parity , use of antibiotics , contraceptive history , duration of abdominal pain , relation of pain to the phase of the menstrual cycle , abdominal rebound tenderness , reproductive tract signs , or febrility .
C0000737
abdominal pain
C0030193
pain