The spectrum of first-trimester ultrasound findings

Roya Sohaey, Paula J. Woodward

Research output: Contribution to journalReview articlepeer-review

3 Scopus citations


A wide spectrum of sonographic findings can be seen in the first trimester of pregnancy. One must have an appreciation of embryology to recognize normal and abnormal early pregnancy development. In this article we emphasize discriminatory criteria for identification of normal structures, as well as ultrasound findings in threatened abortion, failing pregnancy, multiple gestations, ectopic pregnancy, and trophoblastic disease. Sonoembryology, the identification of embryonic anatomy, is discussed, as are examples of early identification of anomalies.

Original languageEnglish (US)
Pages (from-to)55-75
Number of pages21
JournalCurrent Problems in Diagnostic Radiology
Issue number2
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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