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3 Cards in this Set
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- Back
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What percentage of pregnancies spontaneously abort? of those, what percent have a chromosome abnormality?
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15% of recognized pregnancies spontaneously abort
50% chromosomally abnormal (mostly 1st trimester) The math works out to ~1 in 13 conceptions. |
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Most common chromosome abnormalities in 1st trimester abortions?
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45, X (Turner syndrome)
Trisomy 16 Triploidy |
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After 2 or more unexplained pregnancy losses...what should you start thinking about?
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After 2 or more unexplained pregnancy losses, there is a high chance of a chromosome abnormality (usually balanced translocation) is ~1 in 20
think about cytogenetics |
