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Related Experiment Videos

Inter-examiner reliability in fundal height measurement.

M E Crosby, J L Engstrom

    Midwives Chronicle
    |August 1, 1989
    PubMed
    Summary

    Inter-examiner reliability for fundal height measurement is crucial. This study found significant variability between examiners using both tape measure and caliper methods, advising caution in clinical interpretation.

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    Area of Science:

    • Obstetrics and Gynecology
    • Maternal-Fetal Medicine
    • Clinical Measurement

    Background:

    • Consistent fundal height measurement is vital for monitoring fetal growth during prenatal care.
    • Inter-examiner reliability is a concern when multiple clinicians assess patients throughout pregnancy.

    Purpose of the Study:

    • To evaluate and compare the inter-examiner reliability of tape measure versus caliper methods for fundal height measurement.
    • To assess the consistency of fundal height measurements obtained by different clinicians.

    Main Methods:

    • A preliminary study involving four examiners measuring fundal height in 22 pregnant subjects (25-30 weeks gestation).
    • Both tape measure and caliper techniques were used by each examiner for comparison.

    Main Results:

    • Significant variability was observed in measurements between the four examiners for both techniques.
    • Cumulative differences of ≤3.0 cm were 54.5% for tape measure and 59.1% for caliper.
    • Mean ranges of differences were 3.68 cm (tape) and 3.31 cm (caliper).

    Conclusions:

    • Both tape measure and caliper methods exhibit limited inter-examiner reliability for fundal height measurement.
    • Clinicians should exercise caution when interpreting fundal height measurements taken by multiple examiners.
    • Further research may be needed to improve standardization and reliability of these common obstetric measurements.

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