Overview
The goal of this nationwide multicenter observational study is to comprehensively investigate the severity of Small Vulnerable Newborns (SVN) issues across China and to propose further preventive and intervention measures. The primary aim is to provide a thorough description of SVN problems using a unified definition and framework, and to develop targeted prevention strategies.
Participating centers across the country will collect clinical data on vulnerable newborns under their care and complete detailed questionnaires to support this research.
Eligibility
Inclusion Criteria:
- Newborns diagnosed as vulnerable infants at the participating hospitals between January 1 and December 31, 2024;
- Meeting any one of the following criteria:
- Diagnosed as small for gestational age (SGA): birth weight below the 10th percentile for infants of the same gestational age and sex;
- Preterm infants: gestational age less than 37 weeks;
- Low Birth Weight (LBW) infants: birth weight less than 2,500 grams.
Exclusion Criteria:
- Incomplete medical records due to missing data preventing comprehensive case evaluation.