MCN W1: Analysis of Amniocentesis

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12 Terms

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normal
COLOR: colorless
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normal in late pregnancy
COLOR: Yellow tinge
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blood incompatibility
COLOR: Strong yellow
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meconium stain fetal distress
COLOR: Green
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Mature indicator in infants whose mother is diabetic.
LS RATIO: ratio of 2:5 or 3:1
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The greater the sugar, the lesser the surfactant
SUGAR AND SURFACTANT
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normal
LS RATION: 2:1
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BILIRUBIN: normal
negative for blood or should have no false-positive reading.
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BILIRUBIN: positive
the presence of bilirubin may be
analyzed if a blood incompatibility is
suspected.
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CHROMOSOME ANALYSIS
● A few fetal skin cells are always present in amniotic fluid.
● This cell may be cultured and stained for karyotyping.
● Chromosomal study of fetal tissues should be free of diseases.
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INBORN ERROR OF METABOLISM
The enzyme defect must present in
amniotic as early as 14-16th weeks to have a diagnosis.
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PERCUTANEOUS UMBILICAL BLOOD SAMPLING
● Also called cordocentesis or funicentesis.
● The aspiration of blood from the umbilical
cord using amniocentesis technique for
analysis.
● Studies such as: CBC, Direct Coombs
Test, Blood Gases, and Karyotyping
● Note: monitor FHR and uterine
contractions before and after the
procedure.