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Birth weight reference for triples in Korea.

Jeong Ho Kim1, Seung Wan Park, Jung Ju Lee

  • 1Department of Pediatrics, Chung-Ang University College of Medicine, Seoul, Korea.

Journal of Korean Medical Science
|June 2, 2010
PubMed
Summary
This summary is machine-generated.

This study establishes baseline birth weight norms for triplets (27-38 weeks gestation) in Korea, revealing lower birth weights compared to singletons and twins. These findings aid in diagnosing intrauterine growth restriction in multiple births.

Keywords:
Birth WeightGestational AgeKoreaTriplets

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Area of Science:

  • Perinatal Medicine
  • Neonatology
  • Maternal-Fetal Medicine

Background:

  • Accurate baseline birth weight estimations by gestational age are crucial for identifying intrauterine growth restriction (IUGR) and reducing associated morbidity and mortality.
  • Established baseline values exist for singleton and twin births in Korea, but specific criteria for triplets are lacking.
  • Triplets often present unique growth patterns requiring distinct reference standards.

Purpose of the Study:

  • To establish a baseline value of birth weight dependent on gestational age for triplets.
  • To compare the established triplet birth weight norms with those of singletons and twins.
  • To provide essential data for the diagnosis and management of triplets, particularly concerning IUGR.

Main Methods:

  • Utilized a 10-year dataset (1998-2007) of birth records for newborns born between 27 and 38 weeks of gestation.
  • Extracted data for 840 triplets, comparing them with data for singletons and 90,245 twins.
  • Analyzed mean gestational age and mean birth weight for each group (singletons, twins, triplets).

Main Results:

  • The mean gestational age for triplets was 33.3±2.4 weeks, with a mean birth weight of 1,836±454 g.
  • Compared to singletons (mean birth weight 3,071±490 g) and twins (mean birth weight 2,414±455 g), triplets exhibited significantly lower birth weights across the 27-38 week gestational age range.
  • This study presents the first established normal birth weight values for triplets within this gestational age range.

Conclusions:

  • The established baseline birth weight values for triplets are significantly lower than those for singletons and twins.
  • These findings provide critical reference data for healthcare professionals managing triplet pregnancies.
  • The data will support earlier diagnosis and more effective treatment of growth abnormalities in triplets.