Down Syndrome For Prenatal Child
Down Syndrome is a condition in which these are 3 copies of chromosome no 21
In this care we need to do chromosome study from amniotic fuild,which can be collected between 15 – 18 week of pregnancy
Cost is 8000/-
Report in 15 days
One more test we can add that is fish ,which is rapid for chromosome 21 only and will give result in 3 days
Screening for Down syndrome is offered as a routine part of prenatal care. A mother's age has traditionally been a factor in the decision to screen for Down syndrome. But now, the American Congress of Obstetricians and Gynecologists recommends offering various screening tests for Down syndrome to all pregnant women, regardless of age. Although screening tests aren't perfect, they can help you make decisions about more-invasive diagnostic tests and the course of the pregnancy. If your baby is diagnosed before birth with Down syndrome, you'll also have more time to prepare for caring for a child with special needs. Your health care provider can help you weigh the pros and cons of these tests.
Diagnostic tests during pregnancy
If your screening test results are positive or worrisome or you're at high risk of having a baby with Down syndrome, you might consider further testing to confirm the diagnosis. Diagnostic tests that can identify Down syndrome include:
• Amniocentesis. A sample of the amniotic fluid surrounding the fetus is withdrawn through a needle inserted into the mother's uterus. This sample is then used to analyze the chromosomes of the fetus. Doctors usually perform this test after 15 weeks of gestation. The test carries a 1 in 200 risk of miscarriage.
• Chorionic villus sampling (CVS). Cells taken from the mother's placenta can be used to analyze the fetal chromosomes. Typically performed between the ninth and 14th week of pregnancy, this test carries a 1 in 100 risk of miscarriage.
• Percutaneous umbilical blood sampling (PUBS). Blood is taken from a vein in the umbilical cord and examined for chromosomal defects. Doctors generally perform this test after 18 weeks of gestation. This test carries a greater risk of miscarriage than does amniocentesis or chorionic villus sampling. Generally, this test is only done when results of other tests are unclear.
New prenatal tests under study
Researchers are working on improved ways of detecting genetic problems early on, including:
• Preimplantation genetic diagnosis. One option that may become available for couples undergoing in vitro fertilization is testing of the embryo for genetic abnormalities before it's implanted in the womb.
• Analysis of circulating fetal DNA. Although not widely available, new tests that evaluate fetal DNA circulating in the mother's blood may create another option for prenatal diagnosis of Down syndrome and other chromosomal abnormalities.
Diagnostic tests for newborns
After birth, the initial diagnosis of Down syndrome is often based on the baby's appearance. If your child displays some or all of the characteristics of Down syndrome, your doctor probably will order a test called a chromosomal karyotype. This test is an analysis of your child's chromosomes. If there's an extra chromosome 21 present in all or some of the cells, the diagnosis is Down syndrome.
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