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15 Cards in this Set
- Front
- Back
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Autosomal dominant |
One parent is usually affected by trait and is evident in each generation probability of transmitting to offspring is 50% |
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Austosomal recssive |
Parents are usually unaffected and the trait may appear to skip a generation 25% in each pregnancy |
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Neural tube defects cannot be diagnosed with cvs (chorionic villi sampling) |
Only chromosomal abnormalities |
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Nuchal translucency fold |
Detects trisomy 21 and trisomy 18 Edwards |
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Cvs taken at |
9-12 weeks |
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Afp |
Produced in fetal liver |
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Elevated msafp |
Incorrect dates Multiple gest Open neural tube defects Abd wall defect Fetal anamolies |
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Msafp decreased |
Incorrect dates Chromosome abnormalities Fetal demise |
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Trisomy 18 Edwards |
Decreased msafp Decreased hcg Decreased ue3 Decreased inhibin a |
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Trisomy 21 |
Decreased msafp Increased hcg Decreased ue3 Increased inhibin a |
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Hcg |
Produced by trophoblastic cells then later by placenta |
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Hcg Doubles 2-3 days |
Platues 8-9 wks ten declines |
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Hcg measured in two ways |
Qualitative Urine
Quantitative blood |
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Greater than normal hcg |
Molar preg Multiple gest Incorrect dates |
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Less than normal |
Incorrect dates Ectopic pregnancy Embryonic demise abn iup |
