No abstract available
MeSH terms
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Amniocentesis
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Biomarkers / blood
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Chorionic Gonadotropin / blood
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Chromosomes, Human, Pair 21 / genetics
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Down Syndrome / diagnosis*
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Down Syndrome / diagnostic imaging
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Down Syndrome / genetics
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Down Syndrome / prevention & control
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Estriol / blood
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Female
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Fetal Diseases / diagnosis*
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Fetal Diseases / diagnostic imaging
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Fetal Diseases / genetics
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Fetal Diseases / prevention & control
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Genetic Markers / genetics
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Genetic Testing
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Humans
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Inhibins / blood
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Mass Screening
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Maternal Age
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Polymerase Chain Reaction
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Pregnancy / blood
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Pregnancy, High-Risk
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Prenatal Diagnosis*
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Ultrasonography, Prenatal
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alpha-Fetoproteins / analysis
Substances
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Biomarkers
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Chorionic Gonadotropin
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Genetic Markers
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alpha-Fetoproteins
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Inhibins
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Estriol