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Fetal Biometry in the Israeli Population: New Reference Charts

Etty Daniel-Spiegel, Micha Mandel, Daniel Nevo

    The Israel Medical Association Journal : IMAJ
    |March 12, 2016
    PubMed

    Insights

    New Israeli fetal biometry charts were developed for accurate diagnosis. These charts, based on over 79,000 fetuses, are recommended for routine obstetric practice to improve fetal growth assessment.

    Area of Science:

    • Obstetrics and Gynecology
    • Fetal Medicine
    • Medical Imaging

    Background:

    • Accurate fetal biometry is crucial for diagnosis.
    • Current reliance on US-based charts is suboptimal for the Israeli population.
    • Local reference charts are needed for improved accuracy in Israel.

    Purpose of the Study:

    • To create new reference charts for fetal biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC), and femur length (FL).
    • To cover gestational ages from 14 to 42 weeks.
    • To utilize data from a large, diverse Israeli population.

    Main Methods:

    • Pooled data from a medical center and community ultrasound unit in Israel.
    • Calculated weekly means and standard errors for biometric measurements.
    • Developed reference charts using normal distribution quantiles.

    Main Results:

    • Data from 79,328 fetuses were analyzed.
    • New growth charts for fetal biometry were successfully established.
    • The charts demonstrated very good overall performance, with minor variations in higher quantiles.

    Conclusions:

    • New, localized reference charts for fetal biometry in Israel have been developed.
    • These charts are derived from a large, minimally selected Israeli population.
    • Implementation in routine obstetric practice is recommended for improved fetal assessment.
    Abstract

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