MCQ – 15869

Question

Aneuploidy, is the most common genetic abnormality, accounting for up to 50% of clinical miscarriages. All are true about aneuploidy, EXCEPT:

A.

30-40% of trisomy 21, fetus die between 12 weeks and 40 weeks

B.

50-60% of trisomy 18, fetus die between 12 weeks and 40 weeks

C.

The occurrence of triploidy has no relation with the progression of the mother’s age

D.

In previous pregnancy with trisomy 21 due to non-disjunction, the risk in a future pregnancy is .75% higher

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