Which Test Is Performed as Early as Week 5 and Allows

question 132

Multiple Choice

Which test is performed as early as week 5 and allows access to the fetal circulation and direct visualization of the embryo,permitting the diagnosis of malformations?

• A)amniocentesis
• B)embryoscopy
• C)chorionic villus sampling (CVS)
• D)sonoembryology

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Definitions:

Mean Absolute Deviation

The average of absolute differences between each data point and the mean of the dataset.

Sum of Squares

is a statistical technique used to measure the dispersion or variability within data points.

Forecast Accuracy

The degree to which forecasted values approach the actual realized values.

Mean Absolute Deviation

The average of the absolute differences between each value in a set of values and the mean of the set, used to quantify variability.