No abstract available
MeSH terms
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Amniocentesis* / adverse effects
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Choroid Plexus / abnormalities*
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Chromosome Aberrations / diagnosis*
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Chromosome Disorders
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Chromosomes, Human, Pair 18*
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Cysts / diagnosis*
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Female
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Humans
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Karyotyping*
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Pregnancy
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Risk Factors
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Trisomy*