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Prenatal Diagnosis
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Also known as a sonogram, an ultrasound reflects sound waves off of the fetus and then is shown on a special computer screen. This test is not very clear and physical features such as limb, heart, brain, and spine abnormalities can't be seen until 16-18 weeks of pregnancy. The ultrasound mostly only detects things of structural and/or physical nat ....
Middle of paper ....one by inserting a needle near but not through the woman's naval into the amniotic sac. A small amount of amniotic fluid is withdrawn and sent for laboratory testing. Cells are then separated from the fluid and cultured. After the cells are cultured they can be tested for genetic disorder. The amniotic fluid is measured for the concentration of alp.... |
Word count: 439 |
Page count: 2 |
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