There are a number of prenatal tests that can diagnose, or even repair birth defects before birth. Technology is now available to identify many genetic disorders in your fetus before delivery. Most of these tests examine only for a single disorder or group of disorders; your doctor must know which disorder is suspected in order to obtain the appropriate test.
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Prenatal Tests
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Written by Administrator
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Tuesday, 26 December 2006 |
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The PUBS procedure takes fetal blood directly from the umbilical cord to obtain the fetal cells or plasma needed for DNA, chromosomal, or biochemical testing. |
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Prenatal Tests
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Written by Administrator
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Tuesday, 26 December 2006 |
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One way of obtaining fetal tissue is to take a small amount of the placental tissue from within the uterus. Placental tissue should have the same genetic composition as the fetus. A needle is inserted into the placental attachment to the uterus and a small amount of tissue is removed and sent for analysis. |
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Prenatal Tests
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Written by Administrator
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Tuesday, 26 December 2006 |
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Babies normally float in a sea of amniotic fluid within the uterus. This fluid contains living fetal cells that have been released from the baby's skin and other tissues. Withdrawing fetal cell-containing amniotic fluid provides genetic material for examining fetal chromosomes. Other genetic and biochemical testing is also possible. |
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