8. Sonographic Dating and Standard Fetal Biometry

  1. John T. Queenan MD3,
  2. Catherine Y. Spong MD4,
  3. Charles J. Lockwood MD5
  1. Eliza Berkley MD1,
  2. Alfred Abuhamad MD1,2

Published Online: 4 JAN 2012

DOI: 10.1002/9781119963783.ch8

Book Title

Queenan's Management of High-Risk Pregnancy: An Evidence-Based Approach, Sixth Edition

Queenan's Management of High-Risk Pregnancy: An Evidence-Based Approach, Sixth Edition

Additional Information

How to Cite

Berkley, E. and Abuhamad, A. (2012) Sonographic Dating and Standard Fetal Biometry, in Queenan's Management of High-Risk Pregnancy: An Evidence-Based Approach, Sixth Edition (eds J. T. Queenan, C. Y. Spong and C. J. Lockwood), Wiley-Blackwell, Oxford, UK. doi: 10.1002/9781119963783.ch8

Editor Information

  1. 3

    Department of Obstetrics and Gynecology, Georgetown University School of Medicine, Washington, DC, USA

  2. 4

    Bethesda, MD, USA

  3. 5

    Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA

Author Information

  1. 1

    Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA, USA

  2. 2

    Maternal-Fetal Medicine, Mason C. Andrews Professor of Obstetrics and Gynecology, Norfolk, VA, USA

Publication History

  1. Published Online: 4 JAN 2012
  2. Published Print: 24 FEB 2012

ISBN Information

Print ISBN: 9780470655764

Online ISBN: 9781119963783

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CHAPTER TOOLS

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Keywords:

  • monitoring, biochemical and biophysical;
  • sonographic dating and standard fetal biometry;
  • accurate pregnancy dating, in prenatal management;
  • ultrasound, confirming gestational age;
  • fetal weight estimation;
  • “small for gestational age” (SGA);
  • “Symmetric” IUGR and “asymmetric” IUGR;
  • maternal hypertension, history of IUGR;
  • genetic syndromes, and intrauterine growth restriction;
  • Doppler ultrasound for IUGR fetuses

Summary

Accurate pregnancy dating is a critical component of prenatal management. Precise knowledge of gestational age is essential for the management of high-risk pregnancies and in particular fetal growth restriction. Although uterine size, as measured by the fundal height, provides a subjective assessment of the fetal size, ultrasound has a far more precise role in confirming gestational age.

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