OBJECTIVES: Operators performing fetal growth scans are usually aware of the gestational age of the pregnancy, which may lead to expected‐value bias when performing biometric measurements. We aimed to evaluate the incidence of expected‐value bias in routine fetal growth scans and assess its impact on standard biometric measurements.
METHODS: We collected prospectively full‐length video recordings of routine ultrasound growth scans coupled with oper...Expand abstract
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- Ultrasound in Obstetrics and Gynaecology Journal website
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- Drukker et al.
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- © 2019 the Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of the International Society of Ultrasound in Obstetrics and Gynecology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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Expected‐value bias in routine third‐trimester growth scans
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