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Imaging ultrasound in pregnancy 

Imaging ultrasound in pregnancy
Chapter:
Imaging ultrasound in pregnancy
Author(s):

Murray Enkin

, Marc J. N. C. Keirse

, James Neilson

, Caroline Crowther

, Lelia Duley

, Ellen Hodnett

, and Justus Hofmeyr

DOI:
10.1093/med/9780192631732.003.0008
Page of

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date: 18 August 2019

The value of selective ultrasound for specific indications in pregnancy has been clearly established. The place, if any, for routine ultrasound has not been clearly determined as yet. Many obstetric units already practice routine ultrasonography in early pregnancy. For those considering its introduction, the benefit of the demonstrated advantages need to be considered against the theoretical possibility that ultrasound during pregnancy could also be hazardous, and against the need for additional resources. At present, there is no sound evidence that ultrasound examination during pregnancy is harmful. The available randomized trials do not support the use of routine ultrasonography in late pregnancy for fetal measurement. The only imaging ultrasound technique of late pregnancy that appears to relate to improved outcome is placental grading, and this finding requires confirmation. During ultrasound examinations at any time in pregnancy, mothers should see the monitor screen, have their baby’s image pointed out, and receive as much information as they desire.

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