Screening for the aneuploid fetus

S. J. Gross, A. T. Bombard

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Familiarity with the specific sonographic features that are characteristic of particular syndromes aids the clinician performing ultrasound examinations, particularly with respect to risk assessment and the decision-making processes regarding which pregnancies warrant invasive fetal testing. For example, the recognition of polydactyly should encourage a detailed survey of the systems usually affected in trisomy 13, such as facial abnormalities. Even when findings do not point to a specific syndrome, certain general sonographic features strongly suggest a substantive risk of a fetal chromosomal disorder and require the performance of genetic counseling and further definitive testing.

Original languageEnglish
Pages (from-to)573-595
Number of pages23
JournalObstetrics and Gynecology Clinics of North America
Issue number3
StatePublished - 1998
Externally publishedYes


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