Standards

• ACR Standard for the Performance of Antepartum Obstetrical Ultrasound (PDF file)

• AIUM Standards for Performance of the Antepartum Obstetrical Ultrasound   Examination (PDF file)

• Nuchal Translucency Certification
      The Fetal Medicine Foundation

• Nuchal Translucency Certification
      The Society for Maternal Fetal Medicine

Other

• Bad News in the Scanning Room
      2001 Frontiers in Fetal Health : INTERNET ARCHIVE
• Behavior of Leiomyoma during Pregnancy as Evaluated by Ultrasound
      OBGYN.net 
• Doppler in Obstetrics
  Diploma in Fetal Medicine Series, Kypros Nicolaides, Giuseppe Rizzo, Kurt Hecker and Renato Ximenes
• Image Library
  OBGYN.net
• Multiple Gestation
• Obstetric Ultrasound
      Obstetric Ultrasound Joe Woo 
• OB-GYN Ultrasound Online
      Peter W. Callen, M.D. 
• Sonography of the Early First Trimester
      2001 Frontiers in Fetal Health
• The 11-14-week scan The diagnosis of fetal abnormalities
• The 18-23-week scan The diagnosis of fetal abnormalities
  Diploma in Fetal Medicine Series, Series Editor: K.H. Nicolaides
• The 18 Week Scan and Fetal Anatomical Survey
      2001 Frontiers in Fetal Health
• Ultrasound and Multiple Pregnancies
      2001 Frontiers in Fetal Health
• Ultrasound Artefacts
      University of Vienna
• Ultrasound Artifacts
      St. Paul's Hospital Vancouver, BC: INTERNET ARCHIVE