No abstract available
MeSH terms
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Biomarkers / blood
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Chorionic Gonadotropin / blood
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Down Syndrome / diagnosis*
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Female
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Fetal Diseases / diagnosis*
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Humans
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Inhibins*
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Maternal Age
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Peptides / blood
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Pregnancy
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Pregnancy, High-Risk
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Pregnancy-Associated Plasma Protein-A / metabolism
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Prenatal Diagnosis*
Substances
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Biomarkers
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Chorionic Gonadotropin
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Peptides
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inhibin-alpha subunit
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Inhibins
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Pregnancy-Associated Plasma Protein-A