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What Is The Earliest Week That I Can Have Genetic Testing For Downs
Prenatal testing for genetic problems may be done before or after conception. Testing for spina bifida or Down syndrome is done after a pregnancy is established. Besides the couples listed above, counseling and diagnosis are also recommended for mothers over the age of 35, and those who have received abnormal screening test results, such as alpha-fetoprotein (AFP). For more information about the alpha-fetoprotein test, and when and why you might have it, see alpha-fetoprotein. For those who may be at risk, genetic counseling and prenatal diagnosis are used to help ...Read more
Yes: It can be detected during the pregnancy, but by the mean of the obstetrical ultrasonography and depends on the skills of the technician performing the procedure. The other screening tests performed during pregnancy, may predict some of the chromosomal disorders, associated with holoprosencephaly, such as trisomy 13. ...Read moreSee 1 more doctor answer
3 early MCs & chromosomal abnrml in all fetuses (no birth), is karyotyping of parents the only genetic testing tht can be done? Names of any other pls
It's the starting pt: Parent study comes first.A person can appear normal if they carry all the proper chromosome material but with part belonging to one chromosome swapped with another.(ie, part of a #15 is on #21) When fertilization occurs, the fetus may get part of the mistake and not the other & be defective.Some of these have a partial chance of normal birth, some would always end up a defect.See a geneticist. ...Read more
Sure: Genetic testing can be wrong due to many possible problems: mixed up specimens from someone else; degraded dna that can't be analyzed; lab errors in procedures; errors in reporting the results. You should always check on the lab and go over the diagnoses with a physician who knows you and as appropriate with a genetic counselor. A lot of this testing is highly automated, but can still have error. ...Read more
Depends: It really depends. If your affected family member(s) have already had detailed testing, testing for you can cost just a few hundred dollars, depending on what kind of syndrome. If you are "fishing" for a diagnosis, this can costs many thousands of dollars. Generally genetic tests should be done only if there is a specific question that you and your doctor are trying to answer. ...Read more
Depends on situation: Some genetic tests are detailed, specific and allow you to know what to expect from the patient in the future. Chromosome studies, fish probes for diagnostic markers, etc provide information early that allows early detection and treatment of silent problems.Other studies are less specific and only suggest an increased risk for some condition.Value is in the eye of the person seeking information. ...Read more
Molecular genetic: testing & a Fragile X Syndrome probe are recommended for people of any age with developmental delays, Intellectual Disability &/or Autistic Spectrum Disorder. People at risk of transmitting mutant genes because of ethnicity, family history or consanguity need pre-pregnancy testing. Chromosomal array on amniotic fluid is offered to women with high risk of fetal Down Syndrome & other aneuploidies. ...Read more
From a medical standpoint, "genetic" refers to the potential heritability of various medical conditions. While some conditions are inevitable (at some point in one's life) as a consequence of simple genetic heritability (eg huntington's disease), a large number of medical conditions (including all behaviorial health disorders) are the expressed final pathway of a ...Read more
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