No abstract available
MeSH terms
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Abortion, Spontaneous / pathology
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Chorionic Villi Sampling / adverse effects
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Chorionic Villi Sampling / methods*
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Chromosome Aberrations / diagnosis*
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Chromosome Disorders
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Down Syndrome / diagnosis
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Female
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Humans
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Infant, Newborn
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Placenta / pathology
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Pregnancy
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Pregnancy Trimester, First
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Risk Factors