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Last updated: 11/24/2009
Negative results from an amnio analysis indicate that everything about the fetus appears normal and the pregnancy can continue without undue concern. A negative result for Down syndrome means that it is 99% certain that the disease does not exist.
An...
overall "normal" result does not, however, guarantee that the pregnancy will come to term, or that the fetus does not suffer from some other defect. Laboratory tests are not 100% accurate at detecting targeted conditions, nor can every possible fetal condition be tested for.
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Animated, narrated slide show that describes how amniotic fluid is sampled during amniocentesis. An ultrasound probe is used to help guide the needle during the procedure.
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Amniocentesis (also referred to as amniotic fluid test or AFT), is a medical procedure used in prenatal diagnosis of chromosomal abnormalities and fetal infections , in which a small amount of amniotic fluid, which contains fetal tissues, is extracted from the amnion or amniotic sac surrounding a developing fetus, and the fetal DNA is examined for genetic abnormalities.
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An obstetrician/gynecologist, commonly abbreviated as OB/GYN, can serve as a primary physician and often serve as consultants to other physicians.
From: womenshealthchannel.com
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