No abstract available
Publication types
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Guideline
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Practice Guideline
MeSH terms
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Adult
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Chromosomes, Human, Pair 18*
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Down Syndrome / prevention & control*
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Female
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Genetic Testing*
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Humans
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Male
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Mass Screening*
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Maternal Age
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Pregnancy
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Pregnancy, High-Risk
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Prenatal Diagnosis*
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Risk Factors
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Trisomy*