Sentences with phrase «chromosome disorder»

A chromosome disorder refers to a medical condition where there is a problem with the structure or number of chromosomes in a person's body. This can cause various health issues and changes in physical and intellectual development. Full definition
I am also a mom to a daughter with a rare chromosome disorder.
On the other hand, if the results are normal, you will know that there is no known chromosome disorder affecting your odds of a successful pregnancy.
For parents who would choose to terminate pregnancies with chromosome disorders, the accuracy of amniocentesis is a strong pro in favor of having the test.
Researchers are actively at work creating less invasive tests to screen for chromosome disorders in developing babies, such as by isolating the baby's genetic material from samples of the mother's blood.
«Developing a new tool to detect a frequently missed sex chromosome disorder in boys.»
According to lead author Sharron Close, PhD, boys with Klinefelter syndrome are an under - studied and vulnerable population owing to late diagnosis, stigma, and misunderstanding about the nature of sex chromosome disorders.
But most other moms are not automatically offered an amniocentesis unless their babies are determined to have a high risk of chromosome disorders.
This new insight into how chromosomes are disassembled and reassembled during cell division will allow researchers to begin answering basic questions about epigenetic inheritance, as well as human disease such as chromosome disorders and cancer.
Understanding the organization of the mitotic chromosome will help to understand how things go wrong in disease caused by chromosome disorder such as cancer or Down syndrome.»
Reasons to have an amniocentesis are many, but the biggest is probably that the test gives you a reasonably conclusive answer as to whether your baby has a serious chromosome disorder.
The reparation of these DNA breakages, through a process called homologous recombination, allows homologous chromosomes to pair up and guarantee a balanced segregation during the meiotic division and thereby avoid the formation of gametes with an incorrect number of chromosomes which could result in chromosome disorders due to the presence of aneuploids (such as Down's Syndrome and other similar disorders), or in spontaneous abortions.
J. G. Mulle, M. Glassford, J. A. Rosenfeld, A. Freedman, E. McGarry, M. E. Zwick, Unique Rare Chromosome Disorder Support Group.
For this reason, I always offer women with twin pregnancies who begin care early a Nuchal Translucency Screen which is a much better screening test for chromosome disorders in a multiple pregnancy.
The study suggests that over-production of XIST and genes from the inactive X chromosome are common denominators in the development of psychiatric disorders in patients with rare chromosome disorders, such as Klinefelter syndrome and Triple X syndrome, and in the general population of female psychiatric patients.
Eight physicians and three fellows evaluate and treat children with diabetes, growth disorders, precocious and delayed puberty, sex chromosome disorders (particularly Turner syndrome), abnormal bone development, and other hormonal problems.
Even moms who receive triple and quad screen results showing a higher odds of chromosome disorders may opt against amniocentesis for this reason.
Moms whose risk of having a baby with a chromosome disorder is higher than 1 in 400, whether due to age or triple / quad screen results, should have the option of having the test done.
Because they have an increased risk of having a baby with a chromosome disorder, moms over 35 may be offered an amniocentesis or CVS as a routine test.
Using the correct numbers for the risk of miscarrying after an amniocentesis, the natural conclusion would seem to be that moms whose risk of having a baby with a chromosome disorder is less than 1 in 400 should not have an amniocentesis (since the odds of the test causing a miscarriage would be higher).
In such cases, an amniocentesis can be a reliable way to distinguish which chromosome disorder the baby actually has in the event that a screening test or ultrasound shows nonspecific cause for concern over chromosome disorders.
So if amniocentesis is just a test for chromosome disorders, why are people so concerned about it, one might wonder?
With a 99.4 % accuracy rate, the odds are low that your amniocentesis will give you a false positive or negative for a chromosome disorder.
The other reason why people may be passionately against amniocentesis is because some parents decide to terminate their pregnancies when they learn that the baby has a chromosome disorder.
Males with the chromosome disorder XYY were once thought to have a high risk of violent behaviour, and many XYY fetuses were aborted.
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