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Related Experiment Videos

[Newborn shoulder width: physiological variations and predictive value for shoulder dystocia].

E Verspyck1, F Goffinet, M F Hellot

  • 1Service de Gynécologie-Obstétrique, CHU Rouen. eric.verspyck@chu-rouen.fr

Journal De Gynecologie, Obstetrique Et Biologie De La Reproduction
|May 3, 2000
PubMed
Summary

Newborn shoulder width (NSW) measurement is strongly linked to birth weight but is a poor predictor of shoulder dystocia. Higher birth weight is a better indicator for predicting this obstetric complication.

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Area of Science:

  • Obstetrics and Gynecology
  • Neonatal Medicine
  • Clinical Prediction Modeling

Context:

  • Shoulder dystocia is a significant obstetric emergency.
  • Accurate prediction of shoulder dystocia is crucial for improving neonatal outcomes.
  • Newborn shoulder width (NSW) has been investigated as a potential predictive measure.

Purpose:

  • To identify maternal and infant factors influencing newborn shoulder width (NSW).
  • To assess the predictive capability of NSW measurements for shoulder dystocia.
  • To evaluate NSW as a diagnostic test for shoulder dystocia.

Summary:

  • Newborn shoulder width (NSW) was measured in 2,222 neonates.
  • NSW showed significant associations with birthweight, parity, and nonpregnant maternal weight.

Related Experiment Videos

  • A NSW threshold of 140 mm demonstrated low sensitivity (27.27%) and a positive predictive value of 4.02% for shoulder dystocia.
  • Birthweight ≥ 4000 g had a better retrospective predictive value for shoulder dystocia.

    • Impact:

    • Newborn shoulder width (NSW) measurement is a poor predictor of shoulder dystocia.
    • Birthweight remains a more reliable indicator for predicting shoulder dystocia.
    • Antenatal assessment of NSW may not significantly improve shoulder dystocia prediction.