CGC Practice Questions - ABGC Certified Genetic Counselor Exam

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A woman at 11 weeks gestation undergoes chorionic villus sampling (CVS). The laboratory reports mosaic trisomy 16, raising concern for confined placental mosaicism. What is the most appropriate next step?

Treat the placental result as fetal diagnosis Offer amniocentesis for fetal assessment Assume the fetus is unaffected Recommend termination without confirmation

Correct Answer:

Offer amniocentesis for fetal assessment

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