Pelvic Inflammatory Disease Is Characterized by All the Following Except

Pelvic inflammatory disease is characterized by all the following except

A) increased risk for ectopic pregnancy.
B) can be caused by several types of bacterial pathogens.
C) inflammation, swelling, or abscesses in the internal reproductive organs.
D) treatment with antibiotic therapy.
E) a clear set of signs and symptoms that make diagnosis straightforward.