Chorionic villus sampling can be performed during pregnancy as early as _____ weeks
a. 4
b. 8
c. 10
d. 12
C
Fetal villus tissue can be obtained as early as 10 weeks of gestation and can be analyzed di-rectly for chromosomal or genetic abnormalities.
It is too early to perform at 4 weeks.
It is too early to be performed at 8 weeks.
The test should be performed at 12 weeks, but it can be done as early as 10 weeks.
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