Which organism most commonly causes pelvic inflammatory disease?

Answer and explanation

Correct answer: D. Chlamydia trachomatis

  1. Step 1: Chlamydia and gonorrhoea ascend from the cervix to the tubes.
Answer
Chlamydia trachomatis.
Why not the others: Candida albicans, Trichomonas vaginalis and Gardnerella vaginalis do not fit this picture as well.

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