No abstract available
MeSH terms
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Aneuploidy*
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Biomarkers / blood
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Cell-Free Nucleic Acids / blood*
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Consensus*
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DNA / blood*
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Down Syndrome / diagnosis
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Down Syndrome / genetics*
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Female
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Humans
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Maternal Serum Screening Tests
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Predictive Value of Tests
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Pregnancy
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Pregnancy Trimester, First
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Risk Assessment
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Societies, Medical
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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*
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Ultrasonography, Prenatal
Substances
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Biomarkers
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Cell-Free Nucleic Acids
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DNA