Prenatal aneuploidy screening — MCCQE Part 1 MCQ

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ModeratePregnancy (Normal)Prenatal aneuploidy screeningMCCQE Part 1

A 27-year-old G1P0 at 10 weeks presents for first prenatal visit. No significant history. Which screening should be offered?

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Correct answer: B — First-trimester combined screening (NT + serum markers) for aneuploidy

SOGC: all women offered aneuploidy screening. FTS (NT at 11-14 weeks + beta-hCG + PAPP-A) is standard. cfDNA not funded as first-line in most provinces. Amnio/CVS are diagnostic (not screening).

Reference: SOGC Prenatal Screening No. 406