skip to main content

PCOS — USMLE Step 3 MCQ

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

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

A 23-year-old woman has irregular menses every 2 to 4 months, acne, and increased facial hair. BMI is 32 kg/m2. Pregnancy test is negative. TSH and prolactin are normal. Total testosterone is mildly elevated. 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: APolycystic ovary syndrome

Chronic oligo-ovulation with clinical and biochemical hyperandrogenism after excluding common mimics supports PCOS.

Reference: Endocrine Society PCOS Guideline