No abstract available
MeSH terms
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Aneuploidy
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Down Syndrome / diagnosis*
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Down Syndrome / genetics
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Female
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Genetic Counseling / methods
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Humans
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Noninvasive Prenatal Testing / methods*
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Noninvasive Prenatal Testing / statistics & numerical data
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Predictive Value of Tests
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Pregnancy
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Trisomy 13 Syndrome / diagnosis*
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Trisomy 13 Syndrome / genetics
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Trisomy 18 Syndrome / diagnosis*
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Trisomy 18 Syndrome / genetics