skip to main content

Bacterial vaginosis — USMLE Step 3 MCQ

Instant feedback + full explanation. One question, done properly.

EasyOB/GYN (prenatal care, contraception, screening)Bacterial vaginosisUSMLE Step 3

A 32-year-old woman has thin gray vaginal discharge and fishy odour. Vaginal pH is 5.5 and wet mount shows clue cells. There is no cervical motion tenderness. Which of the following is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: CBacterial vaginosis

Clue cells, elevated pH, and fishy odour are characteristic of bacterial vaginosis.

Reference: CDC STI Treatment Guidelines