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11 Cards in this Set
- Front
- Back
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amniocent
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do after 15 weeks
grow cells - karyotype |
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CVS
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10-12 weeks *good 1st tri test*
use trophoblast cells (prob is they have diff karyotypes) |
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PUBS
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rapid fetal karyo,
blood types (rh incomp) hemo probs infections confrims CVS and amnio |
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ultasound
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placenta location
non-invasive nucal translucency |
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causes of NT defects
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Multi Fact
chrom (13, 18) low folic acid |
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to test NT defect
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USE AFP week 16 (should be elevated if probs)
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things that affect AFP levels
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higher in black women
lower in diabetes lower in heavier women |
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4 factors to test
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AFP
ue3- placenta prod (only during preg) HCG - placenta prod Inhibin A - (stops FSH release) |
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factors in tri 18
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all low (don't test inhibin)
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factor in tri 21
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low AFP & ue3
high HCG and Inhib A |
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standard of care in US
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check for aneupol and NT defects @ 16 week
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