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Sternal ossification in normal newborn infants.

J C Odita, A A Okolo, J A Omene

    Pediatric Radiology
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

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    Sternal ossification patterns in Nigerian newborns can estimate gestational age. This study found more ossified segments on average compared to Caucasian infants, with segment length correlating better with birth weight.

    Area of Science:

    • Neonatal imaging
    • Skeletal development
    • Anthropometry

    Background:

    • Accurate estimation of gestational age is crucial for neonatal care.
    • Sternal ossification is a potential indicator of fetal maturity.
    • Previous studies on sternal ossification have primarily focused on Caucasian populations.

    Purpose of the Study:

    • To analyze the pattern and extent of sternal ossification in Nigerian newborn infants.
    • To correlate sternal ossification with gestational age and birth weight.
    • To compare ossification patterns with previously reported data from other ethnic groups.

    Main Methods:

    • Lateral chest radiographs of 200 Nigerian newborn infants were analyzed.
    • Gestational age was determined using the Dubowitz examination.

    Related Experiment Videos

  • The ossification of sternal segments (manubrium, mesosternal segments, xiphisternum) was assessed and measured.

    • Main Results:

    • The manubrium ossified in all infants >35 weeks gestation.
    • Infants ≥37 weeks showed ossification of the first and second mesosternal segments.
    • The average number of ossified sternal segments was higher than in Caucasian infants.
    • Segment length correlated better with birth weight than gestational age.
    • Specific ossification patterns indicated gestational age thresholds (e.g., 2 segments ≈ 30 weeks).

    Conclusions:

    • Sternal ossification patterns provide a reliable method for estimating gestational age in Nigerian newborns.
    • Findings suggest potential ethnic variations in the timing of sternal ossification.
    • Sternal segment length is a useful correlate of birth weight in this population.