The DISCOVER® prenatal test is a simple blood test that screens for the most common chromosomal abnormalities that can affect your baby's future health. A sample can be drawn in your doctor's office as early as the 10th week of pregnancy, and it may help you avoid more invasive procedures, such as amniocentesis or chorionic villus sampling (CVS), which are not without risks to you and your baby. The DISCOVER® test is available for both singleton and twin pregnancies.* Test results are usually reported back to your healthcare provider within approximately one week's time.
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A sample of your blood is drawn and the genetic material (DNA) from you and your baby is tested. The DISCOVER® test takes a deeper approach to the science, using an advanced technology called "Massively Parallel Sequencing" to analyze millions of DNA fragments per sample and accurately count the number of chromosomes present. It then uses a special SAFeR™ calculation method to determine if there are too many or too few copies of these chromosomes in your baby.
The DISCOVER® test offers parents-to-be a new choice to obtain important information about the health of their developing baby, simply, accurately and in the frst trimester (at 10 weeks), with little or no risk to their pregnancy.
This screening test is usually offered to pregnant women identified by their doctor to have a chance of fetal aneuploidy. It may be an option for you to consider if you have a confirmed singleton or twin pregnancy of at least 10 weeks' gestational age, and meet any of the following criteria:
- You are considered to be of advanced maternal age at time of delivery (35 years or older for a singleton pregnancy or 32 years or older for a twin pregnancy)
- You have an abnormal or "positive" serum screen
- Your ultrasound shows concerns or abnormalities with fetal growth and/or development
- You have a personal or family history suggestive of trisomies 21, 18, 13, or other sex chromosome aneuploidies
Chromosomes normally come in pairs. Healthy people usually have 23 pairs of chromosomes, the last pair of which determines sex. Men normally have an XY pair of sex chromosomes. Women normally have an XX pair of sex chromosomes.
The DISCOVER® prenatal test looks for too few or too many copies of chromosomes. Missing or extra copies of chromosomes are called "aneuploidies" and are often associated with mental or physical disabilities, with different levels of severity. The most commonly seen aneuploidies include Trisomy 21 (Down syndrome), Trisomy 18 (Edwards syndrome), and Trisomy 13 (Patau syndrome), all of which can be accurately detected with the DISCOVER® test.Read More