Abstract
The direct control by ultrasound allows a biopsy from chorion frondosum without danger and reveals new possibilities to diagnose malformations in the first trimester of pregnancy in time.
MeSH terms
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Biopsy
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Chorionic Villi / pathology*
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Congenital Abnormalities / diagnosis
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Female
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Humans
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Placenta / pathology*
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Pregnancy
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Prenatal Diagnosis
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Sex Determination Analysis*
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Ultrasonography*