The signs and symptoms of pelvic inflammatory disease might be mild and difficult to recognize. Some women don't have any signs or symptoms. When signs and symptoms of PID are present, they most often include: PID 
Pain — ranging from mild to severe — in your lower abdomen and pelvis
Unusual or heavy vaginal discharge that may have an unpleasant odor
Unusual bleeding from the vagina, especially during or after sex, or between periods
Pain during sex
Fever, sometimes with chills
Painful, frequent or difficult urination

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