Microprolactinoma with infertility — USMLE Step 3 MCQ
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Correct answer: D — Dopamine agonist therapy
A microprolactinoma causing amenorrhea and infertility is treated first-line with a dopamine agonist such as cabergoline or bromocriptine, which lowers prolactin and restores ovulation.
Reference: Endocrine Society Hyperprolactinemia Guideline