North American Registry of Midwives (NARM) Practice Exam

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What does CVS stand for in the context of genetic testing during pregnancy?

Chorionic Villi Sampling
Cellular Visualization Scan
Cervical Vaginal Sampling
Chromosomal Variation Study

The correct answer is: Chorionic Villi Sampling

Chorionic Villi Sampling is a prenatal diagnostic procedure used to obtain a sample of chorionic villi from the placenta. This tissue contains the same genetic material as the developing fetus and allows for the analysis of chromosomes to detect genetic abnormalities or conditions. This procedure is typically performed between the 10th and 13th weeks of pregnancy and is particularly useful for diagnosing conditions such as Down syndrome and other genetic disorders early in the pregnancy. The accuracy of CVS in providing genetic information makes it an important tool for expectant parents and healthcare providers in managing pregnancy risks associated with genetic conditions.