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Umbilical cord insertion: normal location in neonates.

L Salgado1, J E Paz

  • 1Centro de Educacion Medica e Investigacion Clinica, Sector Genetica, Buenos Aires, Argentina.

Early Human Development
|December 1, 1992
PubMed
Summary
This summary is machine-generated.

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This study establishes a normal range for the XU/XP ratio in newborns, using measurements from the xyphoid appendix to the umbilical cord and pubic symphysis. The findings provide a reference for clinical assessment in infants.

Area of Science:

  • Anatomy
  • Pediatrics
  • Anthropometry

Background:

  • Accurate anatomical measurements in newborns are crucial for clinical assessment and monitoring growth.
  • Establishing reference ranges for specific anthropometric ratios aids in identifying normal development and potential deviations.

Purpose of the Study:

  • To determine the normal range of the ratio between the xyphoid appendix to umbilical cord insertion (XU) and the xyphoid appendix to pubic symphysis (XP) in neonates.
  • To investigate potential sex-based differences or correlations with body weight and length for this ratio.

Main Methods:

  • Measurements of the XU and XP distances were taken in 201 newborn infants.
  • The XU/XP ratio was calculated for each infant.
  • Statistical analysis was performed to determine the mean ratio, standard deviation, and identify any significant differences or correlations.

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Main Results:

  • The mean XU/XP ratio was found to be 0.62 (S.D. 0.044).
  • No statistically significant differences in the ratio were observed between male and female infants.
  • The ratio did not show any significant correlation with the infants' body weight or length.

Conclusions:

  • A normal range for the XU/XP ratio in newborns is established as 0.53 to 0.71.
  • This ratio is independent of sex, weight, and length in the studied neonatal population.
  • The findings provide valuable anthropometric data for pediatricians and researchers.