How Do You Spell CHORIONIC VILLI SAMPLING?

Pronunciation: [kˌɔːɹɪˈɒnɪk vˈɪla͡ɪ sˈamplɪŋ] (IPA)

Chorionic villi sampling (CVS) is a prenatal test used to detect chromosomal abnormalities in a developing fetus. The spelling of "chorionic" (kɔːrɪˈɒnɪk) refers to the chorion, a membrane that surrounds the fetus, while "villi" (ˈvɪlaɪ) refers to the finger-like projections that extend from the chorion and help to nourish the fetus. The test involves taking a small sample of tissue from the chorionic villi and analyzing it for genetic disorders. CVS is typically performed between weeks 10 and 13 of pregnancy.

CHORIONIC VILLI SAMPLING Meaning and Definition

  1. Chorionic Villus Sampling (CVS) is a prenatal diagnostic procedure performed during early pregnancy to diagnose genetic disorders and chromosomal abnormalities in the developing fetus. It involves the extraction of a small sample of cells from the chorionic villi, which are tiny finger-like projections found in the placenta. By analyzing these cells, doctors can obtain genetic information about the fetus.

    CVS is typically performed between the 10th and 13th weeks of pregnancy and can be conducted using two different methods: transabdominal or transcervical. In the transabdominal method, a thin needle is inserted through the abdomen into the uterus to obtain the chorionic villus sample. In the transcervical method, a catheter is inserted through the cervix to reach the same purpose.

    The obtained chorionic villi cells are then examined in a laboratory, where different genetic tests are conducted, such as karyotyping or DNA analysis. These tests aim to identify potential chromosomal abnormalities, such as Down syndrome or genetic disorders like cystic fibrosis.

    Although CVS is considered a highly accurate diagnostic procedure, it carries a small risk of complications, such as miscarriage or infection. Therefore, it is usually recommended for women who have a high risk of having a baby with a genetic disorder or chromosomal abnormality, or women who have received abnormal results from other prenatal screening tests.

    CVS provides valuable information for expectant parents in making informed decisions regarding their pregnancy and preparing for the potential medical needs of their unborn child.

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