Which organism is the most frequent cause of subclinical (silent) pelvic inflammatory disease leading to tubal-factor infertility?

• A Chlamydia trachomatis ✓
• B Neisseria gonorrhoeae
• C Mycoplasma hominis
• D Treponema pallidum

Explanation

Chlamydia trachomatis is the most common bacterial cause of PID worldwide, and a substantial share of chlamydial PID produces few or no symptoms, so women present later with tubal obstruction or ectopic pregnancy rather than acute illness. Gonorrhoea typically causes a more acute, febrile, symptomatic salpingitis. Mycoplasma hominis is an occasional co-pathogen without a dominant link to silent tubal damage, and Treponema pallidum causes syphilis, not salpingitis.

Reference: Robbins and Cotran Pathologic Basis of Disease, 10th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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