Pearls and pitfalls in first-trimester obstetric sonography

Fernanda S. Mazzariol, Jeffrey Roberts, Sarah K. Oh, Zina Ricci, Mordecai Koenigsberg, Marjorie W. Stein

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations


Ultrasound is the primary imaging modality used in the evaluation of first-trimester vaginal bleeding and pelvic pain. This article will summarize the ultrasound findings in normal first-trimester pregnancy, failed pregnancy, ectopic pregnancy, subchorionic hemorrhage, retained products of conception, and gestational trophoblastic disease. Mastery of the spectrum of sonographic findings in the normal and abnormal first-trimester pregnancy allows the radiologist to make accurate diagnoses and helps to appropriately guide patient management.

Original languageEnglish (US)
Pages (from-to)176-185
Number of pages10
JournalClinical Imaging
Issue number2
StatePublished - Mar 1 2015


  • Bleeding
  • Ectopic
  • Embryo
  • Pregnancy
  • Ultrasound

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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