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A unified protocol is essential to ensure that fetal ultrasound measurements taken in multicentre research studies are accurate and reproducible. This paper describes the methodology used to take two-dimensional, ultrasound measurements in the longitudinal, fetal growth component of the INTERGROWTH-21(st) Project. These standardised methods should minimise the systematic errors associated with pooling data from different study sites. They represent a model for carrying out similar research studies in the future.

Original publication

DOI

10.1111/1471-0528.12313

Type

Journal article

Journal

BJOG

Publication Date

09/2013

Volume

120 Suppl 2

Pages

27 - v

Keywords

Fetal biometry, INTERGROWTH-21st, fetal growth, standards, ultrasound, Amniotic Fluid, Body Weights and Measures, Clinical Protocols, Female, Fetal Development, Gestational Age, Growth Charts, Humans, Longitudinal Studies, Multicenter Studies as Topic, Placenta, Pregnancy, Research Design, Ultrasonography, Prenatal