Three Prenatal Screening Methods to Detect Abnormalities Are Amniocentesis, Chorionic

question 117

Essay

Three prenatal screening methods to detect abnormalities are amniocentesis, chorionic villus sampling, and ultrasound.Describe each, noting the general kinds of abnormalities that each can detect.

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Definitions:

Total Variation

The overall measure of variability or dispersion within a dataset.

Independent Variables

Variables in an experiment or statistical model that are manipulated or categorized to determine their effect on dependent variables.

Observations

Data collected during an experiment or research, representing values or occurrences recorded by the researcher.

SSR

Sum of Squares due to Regression, a statistical measure used to assess the explanatory power of variables in a regression model.