title: [Transcervical chorion frondosum excision with ultrasound image. Preliminary report].
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: D001706:Biopsy; D002824:Chorionic Villi / Q000473:pathology*; D000013:Congenital Abnormalities / Q000175:diagnosis; D005260:Female; D006801:Humans; D010920:Placenta / Q000473:pathology*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012732:Sex Determination Analysis; D014463:Ultrasonography
vernacular_title: Transzervikale Chorion-frondosum-Exzision unter Ultraschallsicht. Vorläufige Mitteilung.