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Updated: Dec 25, 2025

Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
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Do most premature babies get discharged by the expected date of delivery?

J Patel1, M Patel2, L Tucker2

  • 1Newborn Medicine, University of Mississippi Medical Center, 2500 N State St, Jackson, MS, 39216, USA. jpatel@umc.edu.

Journal of Perinatology : Official Journal of the California Perinatal Association
|March 24, 2020
PubMed

Insights

For premature infants, length of stay (LOS) is increasing, while mortality is decreasing. This study provides evidence for counseling parents on expected date of delivery (EDD) outcomes.

Area of Science:

  • Neonatalogy
  • Perinatal Medicine
  • Healthcare Outcomes Research

Background:

  • Infant length of stay (LOS) and mortality are critical indicators of neonatal care quality.
  • Understanding outcomes relative to expected date of delivery (EDD) is essential for clinical practice and parental counseling.

Purpose of the Study:

  • To compare infant length of stay (LOS) against the expected date of delivery (EDD).
  • To analyze trends in mortality and LOS by gestational age (GA) categories over time.

Main Methods:

  • Analysis of Healthcare Cost and Utilization Project Kids' Inpatient database records from 2003 to 2016.
  • Comparison of actual vs. calculated LOS for premature infants.
  • Examination of mortality and LOS by gestational age and year.

Main Results:

  • Most infants >28 weeks (99%) were discharged by EDD; 75% of neonates ≤28 weeks were discharged by calculated EDD.
  • Infant length of stay (LOS) shows an increasing trend across gestational age categories in recent years.
  • Mortality rates are decreasing by gestational age categories over the study period.

Conclusions:

  • This large-scale study offers evidence-based data on LOS and mortality for diverse gestational ages.
  • Findings can inform perinatal settings for more accurate parental counseling regarding expected date of delivery (EDD) and infant outcomes.
Abstract

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