No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Chorionic Villi
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Female
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Fetal Diseases / diagnosis*
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Fragile X Syndrome / diagnosis*
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Fragile X Syndrome / genetics
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Humans
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Male
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Polymorphism, Genetic
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Pregnancy
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Pregnancy Trimester, First
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Prenatal Diagnosis*
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Sex Chromosome Aberrations / diagnosis*
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Ultrasonography