When Is the Earliest Interval That Chorionic Villus Sampling (CVS)

question 5

Multiple Choice

When is the earliest interval that chorionic villus sampling (CVS) can be performed during pregnancy?

• A) 4 weeks
• B) 8 weeks
• C) 10 weeks
• D) 14 weeks

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Definitions:

Mitosis

A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Meiosis

Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the production of haploid gametes or spores.

Fertilization

The process of combining male (sperm) and female (ovum) gametes to form a zygote, initiating embryonic development in sexually reproducing organisms.

Sporogenesis

The process of spore formation, especially in fungi, algae, mosses, and ferns.