No abstract available
MeSH terms
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Adult
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Amniocentesis
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Biomarkers
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Chorionic Gonadotropin / blood*
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Chorionic Gonadotropin, beta Subunit, Human
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Estradiol / blood
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Female
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Humans
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Peptide Fragments / blood*
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Pregnancy / blood*
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Sex Chromosome Aberrations / diagnosis*
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Trisomy*
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X Chromosome*
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alpha-Fetoproteins / analysis
Substances
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Biomarkers
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Chorionic Gonadotropin
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Chorionic Gonadotropin, beta Subunit, Human
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Peptide Fragments
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alpha-Fetoproteins
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Estradiol