Noninvasive Prenatal Screening
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Understanding Non-Invasive Prenatal Testing (NIPT) | Prenatal Diagnosis & Screening | Vancouver
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What is Noninvasive Prenatal Testing (NIPT)?
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Noninvasive Prenatal Testing (NIPT) is a way to screen for some genetic disorders by looking at the mother’s blood. You may also hear it called noninvasive prenatal screening (NIPS). These are the same thing.
These tests work by finding a small amount of the baby’s DNA that circulates in the mother’s bloodstream, known as cell-free DNA or cfDNA. The blood is drawn in the same way as. Noninvasive prenatal testing (NIPT), sometimes called noninvasive prenatal screening (NIPS), is a method of determining the risk that the fetus will be born with certain genetic abnormalities. This testing analyzes small fragments of DNA that are circulating in a pregnant woman’s blood.
Unlike most DNA, which is found inside a cell’s nucleus, these fragments are free-floating and not within. The NIPT prenatal test is sometimes called the noninvasive prenatal screen (NIPS). A Patient’s Guide to Understanding Non-Invasive Prenatal Testing Screening for genetic conditions is offered to pregnant women because all pregnancies have a small chance for a genetic condition regardless of maternal age, family history, or personal health.
Some screening methods are routine, such as an ultrasound. Non-invasive prenatal testing (NIPT) involves a blood screening which can analyse your baby’s DNA to identify the likelihood for genetic conditions such as Down syndrome. Previously, other screening tests were available however these were invasive. What are non-invasive prenatal tests (NIPT)? The phrase lacks specificity and, technically, there are several tests that could be categorized that way.
However, NIPT is used most widely to describe genetic tests that use cell-free DNA (cfDNA) circulating in maternal blood to detect fetal trisomy 21, 18, and 13, as well as other chromosomal disorders. Noninvasive prenatal testing (NIPT) is a prenatal screening method that is gaining popularity for its timeline. Prenatal testing can be performed as early as 10 weeks, and its accuracy is between 97 and 99 percent accurate for the most common trisomy disorders (depending on the condition). OBJECTIVE: The aim of this study is to assess Latina patient understanding of noninvasive prenatal testing (NIPT) and identify what factors influence uptake/refusal to NIPT to adapt counseling to the needs and interests of this population. The aim of this study is to assess Latina patient understanding of noninvasive prenatal testing (NIPT) and identify what factors influence uptake/refusal to NIPT to adapt counseling to the needs and interests of this population.
Methods. Mixed‐methods survey in English and Spanish administered to pregnant Latina patients throughout pregnancy. Results. Non-invasive prenatal chromosomal aneuploidy testing-clinical experience: 100,000 clinical samples.
PLoS One. 2014;9(10):e109173. Ryan A, Hunkapiller N, Banjevic M et al. Validation of an enhanced version of a single-nucleotide polymorphism-based noninvasive prenatal test for detection of fetal aneuploidies. Fetal Diagn Ther.
List of related literature:
|from Williams Textbook of Endocrinology E-Book|
|from Crash Course Obstetrics and Gynaecology|
|from Conn’s Current Therapy 2010 E-Book: Expert Consult|
|from Principles and Techniques of Biochemistry and Molecular Biology|
|from The Girlfriends’ Guide to Pregnancy|
|from Introduction to Maternity and Pediatric Nursing E-Book|
|from Fetal Medicine E-Book: Basic Science and Clinical Practice|
|from Nelson Textbook of Pediatrics, 2-Volume Set|
|from Anatomy and Physiology for Midwives E-Book|
|from Oxford Textbook of Obstetrics and Gynaecology|