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Fetal Biometry: Relevance in Obstetrical Practice

MARCH, MELISSA I. MD*; WARSOF, STEVEN L. MD; CHAUHAN, SUNEET P. MD

Clinical Obstetrics and Gynecology: March 2012 - Volume 55 - Issue 1 - p 281–287
doi: 10.1097/GRF.0b013e3182446e9b
Imaging in Obstetrics: State of the Art

Fetal biometry is the measurement of the fetus and various segments of the fetal anatomy. Every part of the fetal anatomy may be imaged, but fetal head, abdomen, and femur measurements are the most commonly used, as well as the crown-rump length in early gestation. These biometric measurements can be used to estimate gestational age and fetal weight, evaluate interval fetal growth, and identify fetuses who are either growth restricted or macrosomic. These measurements may influence antepartum and intrapartum management and may be used to predict peripartum outcomes. Biometry is therefore an integral and valuable element of obstetrical practice.

*Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, Massachusetts

Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia

The authors declare that they have nothing to disclose.

Correspondence: Steven L. Warsof, MD, Department of Obstetrics and Gynecology, Eastern Virginia Medical School, 825 Fairfax Ave Suite 310, Norfolk, VA 23507. E-mail: warsofsl@evms.edu

© 2012 Lippincott Williams & Wilkins, Inc.