[Iatrogenic preterm births and late preterm births of 340/7 to 366/7-risks and chances]

M Nelle1, R Gerull

  • 1U niversitätsklinik für Kinderheilkunde Bern, Inselspital, A bteilung Neonatologie, Schweiz. mathias.nelle@insel.ch

Insights

Late preterm births (gestational age 34-36 weeks) lead to significant medical complications, high morbidity, and increased mortality. New obstetric, peripartal, and neonatal management strategies are needed to address infant risks alongside maternal factors.

Area of Science:

  • Neonatal Medicine
  • Obstetrics
  • Perinatology

Background:

  • Late preterm births (340/7-366/7 weeks gestation) represent a vulnerable population.
  • Infants born late preterm exhibit physiological, anatomical, and metabolic immaturity.
  • This immaturity is associated with significantly higher rates of medical complications, morbidity, and mortality.

Purpose of the Study:

  • To highlight the immature status of late preterm infants.
  • To underscore the increased risks of complications, morbidity, and mortality in this group.
  • To advocate for the development of new management strategies.

Main Methods:

  • Literature review on late preterm infant characteristics.
  • Analysis of complication, morbidity, and mortality data.
  • Synthesis of current management approaches.

Main Results:

  • Late preterm infants are demonstrably immature across multiple physiological systems.
  • These infants experience substantially more frequent medical complications.
  • High rates of morbidity and elevated mortality are characteristic of this population.

Conclusions:

  • Current management strategies may not adequately address the unique needs of late preterm infants.
  • Future obstetric, peripartal, and neonatal care must integrate infant-specific risks.
  • A paradigm shift is required to optimize outcomes for late preterm births.

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