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Related Experiment Videos

Perinatal mortality in term and post-term births

P G Stubblefield, J S Berek

    Obstetrics and Gynecology
    |December 1, 1980
    PubMed
    Summary

    Extrinsic perinatal hypoxia and lethal malformations are leading causes of term and post-term infant mortality. Preventing asphyxia is crucial to reduce deaths from meconium aspiration in newborns.

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    Area of Science:

    • Perinatal Medicine
    • Obstetrics
    • Neonatology

    Background:

    • Perinatal mortality in term and post-term infants remains a significant concern.
    • Understanding the primary causes of death is essential for improving obstetric care.
    • Previous studies highlight various factors contributing to infant loss.

    Purpose of the Study:

    • To identify the leading causes of perinatal mortality in infants born at or after 37 weeks of gestation.
    • To evaluate the frequency and timing of infant deaths (antepartum, intrapartum).
    • To assess the role of hypoxia, malformations, and meconium aspiration in perinatal deaths.

    Main Methods:

    • Retrospective review of hospital records for 64 infants experiencing perinatal mortality.
    • Analysis of infants born at or after 37 weeks of amenorrhea over a 3-year period.
    • Categorization of deaths by cause (hypoxia, malformation) and timing (antepartum, intrapartum).

    Main Results:

    • Extrinsic perinatal hypoxia was the most frequent cause of death, followed by lethal malformations.
    • Half of term infant deaths occurred antepartum; intrapartum loss was rare.
    • Massive aspiration of amniotic sac content and meconium aspiration were frequently observed, particularly in cases of asphyxia.

    Conclusions:

    • Reducing perinatal mortality in term/post-term infants may necessitate enhanced antepartum fetal monitoring.
    • Prevention of asphyxia is critical to prevent deaths from meconium aspiration.
    • The goal is to prevent all perinatal deaths in viable fetuses at 37 weeks gestation, barring lethal malformations.

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