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Aneuploidy screening — MCCQE Part 1 MCQ

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HardPregnancy CareAneuploidy screeningMCCQE Part 1

A 38-year-old pregnant woman at 11 weeks asks about screening for trisomy 21. She has no symptoms and wants a non-diagnostic risk estimate first. Which of the following is the most appropriate counselling?

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

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Correct answer: BOffer available prenatal screening options such as enhanced first-trimester screening or cell-free DNA according to provincial access and preference

Canadian prenatal screening is preference-sensitive and varies by province; options include first-trimester combined approaches and cell-free DNA screening in selected contexts. Screening estimates risk and positive results require diagnostic confirmation with CVS or amniocentesis. Informed counselling must include benefits, limitations and patient values.

Reference: https://mcc.ca/objectives/medical-experts/