Decoding how the human egg matures and how this process can go wrong could lead to ways of preventing genetic errors leading to infertility, birth defects or pregnancy loss.
Oct 15, 2019
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Research conducted by the University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences provides evidence to support expansion of insurance plan coverage of noninvasive prenatal testing (NIPT), a simple maternal ...
Oct 8, 2019
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Cell-free fetal DNA testing, which measures the relative amount of free fetal DNA in a pregnant woman's blood, is a new screening test that indicates the risk of Down syndrome (trisomy 21), Edward syndrome (trisomy 18), and ...
Feb 3, 2015
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(Medical Xpress)—University of Washington scientists have succeeded in removing the extra copy of chromosome 21 in cell cultures derived from a person with Down syndrome, a condition in which the body's cells contain three ...
Nov 9, 2012
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A newly available DNA-based prenatal blood test that can identify a pregnancy with Down syndrome can also identify two additional chromosome abnormalities: trisomy 18 (Edwards syndrome) and trisomy 13 (Patau syndrome). The ...
Feb 2, 2012
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Patau syndrome, also known as trisomy 13 and trisomy D, is a chromosomal abnormality, a syndrome in which a patient has an additional chromosome 13 due to a nondisjunction of chromosomes during meiosis. Some are caused by Robertsonian translocations. The extra chromosome 13 disrupts the normal course of development, causing heart and kidney defects, amongst other features characteristic of Patau syndrome.[vague] Like all nondisjunction conditions (such as Down syndrome and Edwards syndrome), the risk of this syndrome in the offspring increases with maternal age at pregnancy, with about 31 years being the average. Patau syndrome affects somewhere between 1 in 10,000 and 1 in 21,700 live births.
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