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VERAgene The test is a new generation of non-invasive prenatal test (NIPT) that determines through screening 13th (Pataus Syndrome), 18th (Edwards Syndrome) and 21st (Down Syndrome) The risk of developing chromosomal trisomies, X, Y chromosome aneuploidies, microdeletions (DiGeorge, 1p36, Smith-Magenis, Wolf Hirschhorn, Prader-Willi, Angelman, Cri-du-chat), and 100 monogenic fetal diseases.
VERAgene Test targeting Studies 2,000 mutations to detect 100 monogenic diseases. Along with screening for monogenic diseases, the possibility of simultaneous detection of aneuploidy and microdeletions gives us a complex picture of pregnancy, Using one test.
VERAgeneGenetic disorders identified by - are often serious and have a significant impact on quality of life. These genetic diseases are manifested in the form of congenital malformations, developmental delays, hearing impairment, blindness, metabolic disorders, etc.
VERAgeneThe cumulative risk of fetal damage by one of the genetic disorders detected by the test is 1 in every 350 pregnant women and may increase in some ethnic populations where certain diseases have a higher prevalence.
VERAgene The test can accurately identify the risk of developing these disorders and help parents make informed decisions about possible treatment and clinical management in a timely manner.
The circulating free DNA of the fetus, the so-called fetal fraction, makes up about 3-13% of the total free DNA and is mainly generated from the placenta, which disappears from the mother's blood within a few hours of the fetus's birth. The VERAgene test uses the free DNA (fetal fraction) of the fetus isolated from the mother's blood and a DNA sample taken from the biological father to determine the potential for certain genetic mutations using the latest patented technology and bioinformatics.
VERAgeneThe test can be performed during single, twin and in vitro fertilization (IVF) pregnancies. From at least the 9th week of gestation. In the presence of vanishing twin syndrome, testing can be performed in twin pregnancies from the 9th week of gestation and 4 weeks after the disappearance of one of the embryos. Aneuploidies of the X and Y chromosomes are not detected in twin pregnancies and vanishing twin syndrome.
*Sampling takes place after 4 weeks; *** Aneuploidy X, Y, Not made twins and extinct twins during pregnancy.
∨ The test is done
Non-invasive screening avoids the risk of miscarriage and intrauterine infection, which may be associated with invasive prenatal testing (amniocentesis or chorionic biopsy). also, Timely detection of fetal aneuploidies allows for early intervention and management.
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Abnormalities detected during pregnancy:
Family history of congenital anomalies.
In-vitro fertilization.
Patients with contraindications to invasive methods of prenatal diagnostics
VERAgene The test can be performed From the 9th week of pregnancy. Information about a detailed ultrasound examination from a specialist is needed to assess the gestational age (weeks), which is especially important in the early stages of pregnancy.
VERAgene Before taking the test sample, it is necessary for the patient to get acquainted with and fill in the relevant documentation, which includes: 1. Information about the sample (SIF); 2. Informed consent of the patient; 3. Information on personal data processing (including information on non-invasive prenatal testing and its limitations).
VERAgene Needed for the test only Venous blood of a pregnant woman და Bucal (cheek mucosa) smear of biological father. For pregnant women before taking the test No special training required (fasting, etc.)30 minutes before the father's biological material is collected, it is recommended to: Refrain from eating and drinking, smoking, chewing gum, and brushing your teeth.
Due to the special features of the sampling system (so-called "kits"), the analysis will be performed only in "Synevo" laboratory centers or specialized clinics, where the relevant consultation with "Synevo" for medical staff is carried out in advance.
The sample taken is sent to a laboratory for testing. At Medicover Genetics, which is a European accredited, ISO certified laboratory.
Test answers are available from sampling 14 working days. The answer will be sent to the doctor and patient's email. By mail. It is also possible to get on-site laboratory center.
If necessary, we offer "Synevo" laboratory Consult a geneticist.
Limitations and inaccuracies:
If a pregnant woman has undergone blood transfusions, organ transplants, or stem cell therapy, there is a possibility of obtaining a false result due to the presence of exogenous DNA.
VERAgene The test can assess the following chromosomal abnormalities:
Trisomy 13 (Pataw), 18 (Edwards), 21 (Down)
Down, Edwards and Patau syndrome are genetic conditions caused by the presence of an extra chromosome (trisomy). Additional copies of chromosome 21 are responsible for Down syndrome, and additional copies of chromosomes 18 and 13 are responsible for Edwards and Patau syndrome, respectively.
For Down syndrome Decreased level of intellectual development and congenital defects are characteristic. The incidence of the syndrome is 1 in 700 pregnancies and is more common in women over the age of 35.
Edwards and Patau syndromes It is more rare and occurs in 1: 3,000 pregnant women and 1: 10,000 pregnant women.
The congenital defects here are so severe that children with the disease usually die in the first year of life.
Determination of sex (presence of Y-chromosome)
Aneuploidy X, Y, which includes: Turner Syndrome - Monosomy X0; Triple X Syndrome - XXX; Klinefelter Syndrome - XXY; Jacobs Syndrome - XYY.
Sex chromosome aneuploidy is a genetic disorder caused by the presence or absence of a specific sex chromosome. The pair on chromosome 23 determines the sex of an individual. Women have two X chromosomes and men have one X chromosome and one Y chromosome.
There are four major sex chromosome aneuploids:
7 microdelections, which includes: DiGeorge (22q11.2); 1p36 deletion; Smith-Magen (17p11.2); Wolf-Hirschhorn (4p16.3), Praderville, Angelman, and Cri-du-Chau syndromes.
Microdeletion is a genetic disorder caused by the loss of a specific part of a chromosome. Microdeletion is manifested in the form of various congenital anomalies and limitations of mental development. The severity of symptoms depends on the size and location of the microdeletion. The most common microdeletion syndrome is DiGeorge / DiGeorge Syndrome / Syndrome, which occurs in about every 1000 pregnancies.
100 monogenic diseases
VERAgene screens more than 2 mutations responsible for the development of 000 monogenic diseases:
The full list of monogenic diseases detected by VERAgene can be found here:Learn more
"High risk" (positive) resultFor a given genetic condition, it indicates that there is a high probability (> 99.9%) that the fetus will be diagnosed with this genetic disease.
Because VERAgene is not a diagnostic test, a positive result should be confirmed by a prenatal diagnostic test of amniotic fluid or chorionic villus sampling (amniocentesis; chorion biopsy).
Although the rate of detection of genetic disorders by the test is very high.
"Low risk" (negative) result Can not completely rule out the possibility of developing genetic disorders in the fetus.
The accuracy of the test for the detection of sex chromosome aneuploids is 99.9%.
"Synevo" recommends that you get detailed information about these syndromes from a specialist doctor.
VERAgene test does not reveal:
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