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2011-10-17 14:45:26

A new DNA-based prenatal blood test that can strikingly reduce the number of risky diagnostic procedures needed to identify a pregnancy with Down syndrome is ready to be introduced into clinical practice. The test can be offered as early as 10 weeks of pregnancy to women who have been identified as being at high risk for Down syndrome. These are the results of an international, multicenter study published online today in the journal Genetics in Medicine. The study, the largest and most...

2011-02-10 14:04:32

According to new study published in the American Journal of Obstetrics & Gynecology In 1980 in the United States, approximately 4.5% of all pregnant women were of advanced maternal age. By 2007 that figure had increased to 14%. Women over 35 are at increased risk of giving birth to babies with trisomy 21. In a study published online today in the American Journal of Obstetrics & Gynecology (AJOG), researchers from the Sequenom Center for Molecular Medicine confirmed that DNA sequencing...

2011-01-14 08:45:28

(Ivanhoe Newswire) -- A test that uses the latest DNA technology to analyze genetic components in a pregnant woman's blood could predict Down's syndrome in unborn babies, according to new research. Down's syndrome occurs when an individual has three, rather than two, copies of the 21st chromosome. This additional genetic material alters the course of development. Older women are at a higher risk of giving birth to a baby with Down's. Women in high-risk groups typically undergo a combination...

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2011-01-12 12:50:00

Research published on Tuesday states that DNA in a pregnant woman's blood can reliably show whether her fetus has Down's syndrome, which can reduce the need for invasive testing procedures like amniocentesis. Down's syndrome, a major developmental disorder also known as trisomy 21, occurs in around one in every 800 live births. Pre-natal diagnosis mainly entails sampling fluid from the amniotic sac enveloping the fetus.  Another technique is called chorionic villus sampling, and it...

2009-01-28 20:00:00

Lenetix Announces Successful Study of Improved Non-invasive Test Procedure MINEOLA, N.Y., Jan. 28 /PRNewswire/ -- Lenetix, Inc. today announced a significant step in the development of an improved first and second trimester non-invasive fetal chromosomal screening test to detect Down syndrome and other genetic fetal conditions. Lenetix presented preliminary study results at the 29th annual Society for Maternal-Fetal Medicine Conference in San Diego that indicate a potential breakthrough in...

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2008-11-28 10:15:00

A new national screening strategy in Denmark has halved the number of infants born with Down's syndrome and increased the number of infants diagnosed before birth by 30%, according to a study published on bmj.com today. Many countries, including England, Australia and New Zealand, are trying to introduce national screening strategies for Down's syndrome, but are facing a variety of problems because of a lack of consensus about the screening policy and logistical challenges. In 2004, the...

2008-10-09 06:00:17

By Andrew Pollack For three decades, scientists have been trying to develop a noninvasive prenatal test for Down syndrome that would replace amniocentesis, which can cause miscarriages. Now, scientists using powerful genetic techniques are closing in on that goal with tests that require only a blood sample from the pregnant woman. A biotechnology company in San Diego called Sequenom says it will begin selling such a test in June. Another testing technique, developed at Stanford, is...

2008-06-30 06:01:00

By Kate Foster EVERY pregnant woman in Scotland is to be offered an early and highly accurate test to see if their baby has Down's Syndrome. The combined ultrasound and blood test will be done up to two months earlier than at present and is 90 per cent accurate compared with 65 per cent for the current procedure. The new test - called nuchal translucency - will mean fewer women will need to undergo an invasive procedure to confirm Down's, which carries a risk of causing a miscarriage....


Word of the Day
drawcansir
  • A blustering, bullying fellow; a pot-valiant braggart; a bully.
This word is named for Draw-Can-Sir, a character in George Villiers' 17th century play The Rehearsal.
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